128574112

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 271005588

約数和(自身を除く): 142431476

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 113, 124, 148, 226, 248, 296, 452, 496, 592, 904, 961, 992, 1147, 1184, 1808, 1922, 2294, 3503, 3616, 3844, 4181, 4588, 7006, 7688, 8362, 9176, 14012, 15376, 16724, 18352, 28024, 30752, 33448, 35557, 36704, 56048, 66896, 71114, 108593, 112096, 129611, 133792, 142228, 217186, 259222, 284456, 434372, 518444, 568912, 868744, 1036888, 1137824, 1737488, 2073776, 3474976, 4017941, 4147552, 8035882, 16071764, 32143528, 64287056, 128574112]

約数ペア:

[(1, 128574112), (2, 64287056), (4, 32143528), (8, 16071764), (16, 8035882), (31, 4147552), (32, 4017941), (37, 3474976), (62, 2073776), (74, 1737488), (113, 1137824), (124, 1036888), (148, 868744), (226, 568912), (248, 518444), (296, 434372), (452, 284456), (496, 259222), (592, 217186), (904, 142228), (961, 133792), (992, 129611), (1147, 112096), (1184, 108593), (1808, 71114), (1922, 66896), (2294, 56048), (3503, 36704), (3616, 35557), (3844, 33448), (4181, 30752), (4588, 28024), (7006, 18352), (7688, 16724), (8362, 15376), (9176, 14012)]