217897512

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 674150400

約数和(自身を除く): 456252888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 43, 49, 56, 62, 84, 86, 93, 98, 124, 129, 139, 147, 168, 172, 186, 196, 217, 248, 258, 278, 294, 301, 344, 372, 392, 417, 434, 516, 556, 588, 602, 651, 744, 834, 868, 903, 973, 1032, 1112, 1176, 1204, 1302, 1333, 1519, 1668, 1736, 1806, 1946, 2107, 2408, 2604, 2666, 2919, 3038, 3336, 3612, 3892, 3999, 4214, 4309, 4557, 5208, 5332, 5838, 5977, 6076, 6321, 6811, 7224, 7784, 7998, 8428, 8618, 9114, 9331, 10664, 11676, 11954, 12152, 12642, 12927, 13622, 15996, 16856, 17236, 17931, 18228, 18662, 20433, 23352, 23908, 25284, 25854, 27244, 27993, 30163, 31992, 34472, 35862, 36456, 37324, 40866, 41839, 47816, 50568, 51708, 54488, 55986, 60326, 65317, 71724, 74648, 81732, 83678, 90489, 103416, 111972, 120652, 125517, 130634, 143448, 163464, 167356, 180978, 185287, 195951, 211141, 223944, 241304, 251034, 261268, 292873, 334712, 361956, 370574, 391902, 422282, 502068, 522536, 555861, 585746, 633423, 723912, 741148, 783804, 844564, 878619, 1004136, 1111722, 1171492, 1266846, 1297009, 1482296, 1567608, 1689128, 1757238, 2223444, 2342984, 2533692, 2594018, 3514476, 3891027, 4446888, 5067384, 5188036, 7028952, 7782054, 9079063, 10376072, 15564108, 18158126, 27237189, 31128216, 36316252, 54474378, 72632504, 108948756, 217897512]

約数ペア:

[(1, 217897512), (2, 108948756), (3, 72632504), (4, 54474378), (6, 36316252), (7, 31128216), (8, 27237189), (12, 18158126), (14, 15564108), (21, 10376072), (24, 9079063), (28, 7782054), (31, 7028952), (42, 5188036), (43, 5067384), (49, 4446888), (56, 3891027), (62, 3514476), (84, 2594018), (86, 2533692), (93, 2342984), (98, 2223444), (124, 1757238), (129, 1689128), (139, 1567608), (147, 1482296), (168, 1297009), (172, 1266846), (186, 1171492), (196, 1111722), (217, 1004136), (248, 878619), (258, 844564), (278, 783804), (294, 741148), (301, 723912), (344, 633423), (372, 585746), (392, 555861), (417, 522536), (434, 502068), (516, 422282), (556, 391902), (588, 370574), (602, 361956), (651, 334712), (744, 292873), (834, 261268), (868, 251034), (903, 241304), (973, 223944), (1032, 211141), (1112, 195951), (1176, 185287), (1204, 180978), (1302, 167356), (1333, 163464), (1519, 143448), (1668, 130634), (1736, 125517), (1806, 120652), (1946, 111972), (2107, 103416), (2408, 90489), (2604, 83678), (2666, 81732), (2919, 74648), (3038, 71724), (3336, 65317), (3612, 60326), (3892, 55986), (3999, 54488), (4214, 51708), (4309, 50568), (4557, 47816), (5208, 41839), (5332, 40866), (5838, 37324), (5977, 36456), (6076, 35862), (6321, 34472), (6811, 31992), (7224, 30163), (7784, 27993), (7998, 27244), (8428, 25854), (8618, 25284), (9114, 23908), (9331, 23352), (10664, 20433), (11676, 18662), (11954, 18228), (12152, 17931), (12642, 17236), (12927, 16856), (13622, 15996)]