215537868

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:294

約数の個数: 216

約数和(自身を含む): 706804560

約数和(自身を除く): 491266692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 169, 182, 189, 196, 234, 241, 252, 273, 294, 338, 351, 364, 378, 441, 468, 482, 507, 546, 588, 637, 676, 702, 723, 756, 819, 882, 964, 1014, 1092, 1183, 1274, 1323, 1404, 1446, 1521, 1638, 1687, 1764, 1911, 2028, 2169, 2366, 2457, 2548, 2646, 2892, 3042, 3133, 3276, 3374, 3549, 3822, 4338, 4563, 4732, 4914, 5061, 5292, 5733, 6084, 6266, 6507, 6748, 7098, 7644, 8281, 8676, 9126, 9399, 9828, 10122, 10647, 11466, 11809, 12532, 13014, 14196, 15183, 16562, 17199, 18252, 18798, 20244, 21294, 21931, 22932, 23618, 24843, 26028, 28197, 30366, 31941, 33124, 34398, 35427, 37596, 40729, 42588, 43862, 45549, 47236, 49686, 56394, 60732, 63882, 65793, 68796, 70854, 74529, 81458, 84591, 87724, 91098, 99372, 106281, 112788, 122187, 127764, 131586, 141708, 149058, 153517, 162916, 169182, 182196, 197379, 212562, 223587, 244374, 263172, 285103, 298116, 307034, 318843, 338364, 366561, 394758, 425124, 447174, 460551, 488748, 570206, 592137, 614068, 637686, 733122, 789516, 855309, 894348, 921102, 1099683, 1140412, 1184274, 1275372, 1381653, 1466244, 1710618, 1842204, 1995721, 2199366, 2368548, 2565927, 2763306, 3421236, 3991442, 4144959, 4398732, 5131854, 5526612, 5987163, 7697781, 7982884, 8289918, 10263708, 11974326, 15395562, 16579836, 17961489, 23948652, 30791124, 35922978, 53884467, 71845956, 107768934, 215537868]

約数ペア:

[(1, 215537868), (2, 107768934), (3, 71845956), (4, 53884467), (6, 35922978), (7, 30791124), (9, 23948652), (12, 17961489), (13, 16579836), (14, 15395562), (18, 11974326), (21, 10263708), (26, 8289918), (27, 7982884), (28, 7697781), (36, 5987163), (39, 5526612), (42, 5131854), (49, 4398732), (52, 4144959), (54, 3991442), (63, 3421236), (78, 2763306), (84, 2565927), (91, 2368548), (98, 2199366), (108, 1995721), (117, 1842204), (126, 1710618), (147, 1466244), (156, 1381653), (169, 1275372), (182, 1184274), (189, 1140412), (196, 1099683), (234, 921102), (241, 894348), (252, 855309), (273, 789516), (294, 733122), (338, 637686), (351, 614068), (364, 592137), (378, 570206), (441, 488748), (468, 460551), (482, 447174), (507, 425124), (546, 394758), (588, 366561), (637, 338364), (676, 318843), (702, 307034), (723, 298116), (756, 285103), (819, 263172), (882, 244374), (964, 223587), (1014, 212562), (1092, 197379), (1183, 182196), (1274, 169182), (1323, 162916), (1404, 153517), (1446, 149058), (1521, 141708), (1638, 131586), (1687, 127764), (1764, 122187), (1911, 112788), (2028, 106281), (2169, 99372), (2366, 91098), (2457, 87724), (2548, 84591), (2646, 81458), (2892, 74529), (3042, 70854), (3133, 68796), (3276, 65793), (3374, 63882), (3549, 60732), (3822, 56394), (4338, 49686), (4563, 47236), (4732, 45549), (4914, 43862), (5061, 42588), (5292, 40729), (5733, 37596), (6084, 35427), (6266, 34398), (6507, 33124), (6748, 31941), (7098, 30366), (7644, 28197), (8281, 26028), (8676, 24843), (9126, 23618), (9399, 22932), (9828, 21931), (10122, 21294), (10647, 20244), (11466, 18798), (11809, 18252), (12532, 17199), (13014, 16562), (14196, 15183)]