639785376

素因数分解:

$2^5\times 3^2\times {\mathrm{457}}^1\times {\mathrm{4861}}^1$

素因数の和:5334

約数の個数: 72

約数和(自身を含む): 1823745924

約数和(自身を除く): 1183960548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 457, 914, 1371, 1828, 2742, 3656, 4113, 4861, 5484, 7312, 8226, 9722, 10968, 14583, 14624, 16452, 19444, 21936, 29166, 32904, 38888, 43749, 43872, 58332, 65808, 77776, 87498, 116664, 131616, 155552, 174996, 233328, 349992, 466656, 699984, 1399968, 2221477, 4442954, 6664431, 8885908, 13328862, 17771816, 19993293, 26657724, 35543632, 39986586, 53315448, 71087264, 79973172, 106630896, 159946344, 213261792, 319892688, 639785376]

約数ペア:

[(1, 639785376), (2, 319892688), (3, 213261792), (4, 159946344), (6, 106630896), (8, 79973172), (9, 71087264), (12, 53315448), (16, 39986586), (18, 35543632), (24, 26657724), (32, 19993293), (36, 17771816), (48, 13328862), (72, 8885908), (96, 6664431), (144, 4442954), (288, 2221477), (457, 1399968), (914, 699984), (1371, 466656), (1828, 349992), (2742, 233328), (3656, 174996), (4113, 155552), (4861, 131616), (5484, 116664), (7312, 87498), (8226, 77776), (9722, 65808), (10968, 58332), (14583, 43872), (14624, 43749), (16452, 38888), (19444, 32904), (21936, 29166)]