28018692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 84389760

約数和(自身を除く): 56371068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 23, 26, 36, 38, 39, 46, 52, 57, 69, 76, 78, 92, 114, 117, 137, 138, 156, 171, 207, 228, 234, 247, 274, 276, 299, 342, 411, 414, 437, 468, 494, 548, 598, 684, 741, 822, 828, 874, 897, 988, 1196, 1233, 1311, 1482, 1644, 1748, 1781, 1794, 2223, 2466, 2603, 2622, 2691, 2964, 3151, 3562, 3588, 3933, 4446, 4932, 5206, 5244, 5343, 5382, 5681, 6302, 7124, 7809, 7866, 8892, 9453, 10412, 10686, 10764, 11362, 12604, 15618, 15732, 16029, 17043, 18906, 21372, 22724, 23427, 28359, 31236, 32058, 33839, 34086, 37812, 40963, 46854, 51129, 56718, 59869, 64116, 67678, 68172, 81926, 93708, 101517, 102258, 113436, 119738, 122889, 135356, 163852, 179607, 203034, 204516, 239476, 245778, 304551, 359214, 368667, 406068, 491556, 538821, 609102, 718428, 737334, 778297, 1077642, 1218204, 1474668, 1556594, 2155284, 2334891, 3113188, 4669782, 7004673, 9339564, 14009346, 28018692]

約数ペア:

[(1, 28018692), (2, 14009346), (3, 9339564), (4, 7004673), (6, 4669782), (9, 3113188), (12, 2334891), (13, 2155284), (18, 1556594), (19, 1474668), (23, 1218204), (26, 1077642), (36, 778297), (38, 737334), (39, 718428), (46, 609102), (52, 538821), (57, 491556), (69, 406068), (76, 368667), (78, 359214), (92, 304551), (114, 245778), (117, 239476), (137, 204516), (138, 203034), (156, 179607), (171, 163852), (207, 135356), (228, 122889), (234, 119738), (247, 113436), (274, 102258), (276, 101517), (299, 93708), (342, 81926), (411, 68172), (414, 67678), (437, 64116), (468, 59869), (494, 56718), (548, 51129), (598, 46854), (684, 40963), (741, 37812), (822, 34086), (828, 33839), (874, 32058), (897, 31236), (988, 28359), (1196, 23427), (1233, 22724), (1311, 21372), (1482, 18906), (1644, 17043), (1748, 16029), (1781, 15732), (1794, 15618), (2223, 12604), (2466, 11362), (2603, 10764), (2622, 10686), (2691, 10412), (2964, 9453), (3151, 8892), (3562, 7866), (3588, 7809), (3933, 7124), (4446, 6302), (4932, 5681), (5206, 5382), (5244, 5343)]