78947856

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 240281496

約数和(自身を除く): 161333640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 181, 208, 233, 234, 312, 362, 466, 468, 543, 624, 699, 724, 932, 936, 1086, 1398, 1448, 1629, 1864, 1872, 2097, 2172, 2353, 2796, 2896, 3029, 3258, 3728, 4194, 4344, 4706, 5592, 6058, 6516, 7059, 8388, 8688, 9087, 9412, 11184, 12116, 13032, 14118, 16776, 18174, 18824, 21177, 24232, 26064, 27261, 28236, 33552, 36348, 37648, 42173, 42354, 48464, 54522, 56472, 72696, 84346, 84708, 109044, 112944, 126519, 145392, 168692, 169416, 218088, 253038, 337384, 338832, 379557, 436176, 506076, 548249, 674768, 759114, 1012152, 1096498, 1518228, 1644747, 2024304, 2192996, 3036456, 3289494, 4385992, 4934241, 6072912, 6578988, 8771984, 9868482, 13157976, 19736964, 26315952, 39473928, 78947856]

約数ペア:

[(1, 78947856), (2, 39473928), (3, 26315952), (4, 19736964), (6, 13157976), (8, 9868482), (9, 8771984), (12, 6578988), (13, 6072912), (16, 4934241), (18, 4385992), (24, 3289494), (26, 3036456), (36, 2192996), (39, 2024304), (48, 1644747), (52, 1518228), (72, 1096498), (78, 1012152), (104, 759114), (117, 674768), (144, 548249), (156, 506076), (181, 436176), (208, 379557), (233, 338832), (234, 337384), (312, 253038), (362, 218088), (466, 169416), (468, 168692), (543, 145392), (624, 126519), (699, 112944), (724, 109044), (932, 84708), (936, 84346), (1086, 72696), (1398, 56472), (1448, 54522), (1629, 48464), (1864, 42354), (1872, 42173), (2097, 37648), (2172, 36348), (2353, 33552), (2796, 28236), (2896, 27261), (3029, 26064), (3258, 24232), (3728, 21177), (4194, 18824), (4344, 18174), (4706, 16776), (5592, 14118), (6058, 13032), (6516, 12116), (7059, 11184), (8388, 9412), (8688, 9087)]