28586792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 40360408

約数列:

[1, 2, 4, 8, 13, 17, 19, 23, 26, 34, 37, 38, 46, 52, 68, 74, 76, 92, 104, 136, 148, 152, 184, 221, 247, 296, 299, 323, 391, 437, 442, 481, 494, 598, 629, 646, 703, 782, 851, 874, 884, 962, 988, 1196, 1258, 1292, 1406, 1564, 1702, 1748, 1768, 1924, 1976, 2392, 2516, 2584, 2812, 3128, 3404, 3496, 3848, 4199, 5032, 5083, 5624, 5681, 6808, 7429, 8177, 8398, 9139, 10166, 11063, 11362, 11951, 14467, 14858, 16169, 16354, 16796, 18278, 20332, 22126, 22724, 23902, 28934, 29716, 32338, 32708, 33592, 36556, 40664, 44252, 45448, 47804, 57868, 59432, 64676, 65416, 73112, 88504, 95608, 96577, 115736, 129352, 155363, 188071, 193154, 210197, 274873, 310726, 376142, 386308, 420394, 549746, 621452, 752284, 772616, 840788, 1099492, 1242904, 1504568, 1681576, 2198984, 3573349, 7146698, 14293396, 28586792]

約数ペア:

[(1, 28586792), (2, 14293396), (4, 7146698), (8, 3573349), (13, 2198984), (17, 1681576), (19, 1504568), (23, 1242904), (26, 1099492), (34, 840788), (37, 772616), (38, 752284), (46, 621452), (52, 549746), (68, 420394), (74, 386308), (76, 376142), (92, 310726), (104, 274873), (136, 210197), (148, 193154), (152, 188071), (184, 155363), (221, 129352), (247, 115736), (296, 96577), (299, 95608), (323, 88504), (391, 73112), (437, 65416), (442, 64676), (481, 59432), (494, 57868), (598, 47804), (629, 45448), (646, 44252), (703, 40664), (782, 36556), (851, 33592), (874, 32708), (884, 32338), (962, 29716), (988, 28934), (1196, 23902), (1258, 22724), (1292, 22126), (1406, 20332), (1564, 18278), (1702, 16796), (1748, 16354), (1768, 16169), (1924, 14858), (1976, 14467), (2392, 11951), (2516, 11362), (2584, 11063), (2812, 10166), (3128, 9139), (3404, 8398), (3496, 8177), (3848, 7429), (4199, 6808), (5032, 5681), (5083, 5624)]