215172736

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 446319360

約数和(自身を除く): 231146624

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 211, 248, 257, 422, 496, 514, 844, 992, 1028, 1688, 1984, 2056, 3376, 3968, 4112, 6541, 6752, 7967, 8224, 13082, 13504, 15934, 16448, 26164, 27008, 31868, 32896, 52328, 54227, 63736, 104656, 108454, 127472, 209312, 216908, 254944, 418624, 433816, 509888, 837248, 867632, 1019776, 1681037, 1735264, 3362074, 3470528, 6724148, 6941056, 13448296, 26896592, 53793184, 107586368, 215172736]

約数ペア:

[(1, 215172736), (2, 107586368), (4, 53793184), (8, 26896592), (16, 13448296), (31, 6941056), (32, 6724148), (62, 3470528), (64, 3362074), (124, 1735264), (128, 1681037), (211, 1019776), (248, 867632), (257, 837248), (422, 509888), (496, 433816), (514, 418624), (844, 254944), (992, 216908), (1028, 209312), (1688, 127472), (1984, 108454), (2056, 104656), (3376, 63736), (3968, 54227), (4112, 52328), (6541, 32896), (6752, 31868), (7967, 27008), (8224, 26164), (13082, 16448), (13504, 15934)]