1256163904

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{983}}^1$

素因数の和:1523

約数の個数: 56

約数和(自身を含む): 2561344128

約数和(自身を除く): 1305180224

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 487, 656, 974, 983, 1312, 1948, 1966, 2624, 3896, 3932, 7792, 7864, 15584, 15728, 19967, 31168, 31456, 39934, 40303, 62912, 79868, 80606, 159736, 161212, 319472, 322424, 478721, 638944, 644848, 957442, 1277888, 1289696, 1914884, 2579392, 3829768, 7659536, 15319072, 19627561, 30638144, 39255122, 78510244, 157020488, 314040976, 628081952, 1256163904]

約数ペア:

[(1, 1256163904), (2, 628081952), (4, 314040976), (8, 157020488), (16, 78510244), (32, 39255122), (41, 30638144), (64, 19627561), (82, 15319072), (164, 7659536), (328, 3829768), (487, 2579392), (656, 1914884), (974, 1289696), (983, 1277888), (1312, 957442), (1948, 644848), (1966, 638944), (2624, 478721), (3896, 322424), (3932, 319472), (7792, 161212), (7864, 159736), (15584, 80606), (15728, 79868), (19967, 62912), (31168, 40303), (31456, 39934)]