256989864

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{1153}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 663042240

約数和(自身を除く): 406052376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 251, 296, 444, 502, 753, 888, 1004, 1153, 1506, 2008, 2306, 3012, 3459, 4612, 6024, 6918, 9224, 9287, 13836, 18574, 27672, 27861, 37148, 42661, 55722, 74296, 85322, 111444, 127983, 170644, 222888, 255966, 289403, 341288, 511932, 578806, 868209, 1023864, 1157612, 1736418, 2315224, 3472836, 6945672, 10707911, 21415822, 32123733, 42831644, 64247466, 85663288, 128494932, 256989864]

約数ペア:

[(1, 256989864), (2, 128494932), (3, 85663288), (4, 64247466), (6, 42831644), (8, 32123733), (12, 21415822), (24, 10707911), (37, 6945672), (74, 3472836), (111, 2315224), (148, 1736418), (222, 1157612), (251, 1023864), (296, 868209), (444, 578806), (502, 511932), (753, 341288), (888, 289403), (1004, 255966), (1153, 222888), (1506, 170644), (2008, 127983), (2306, 111444), (3012, 85322), (3459, 74296), (4612, 55722), (6024, 42661), (6918, 37148), (9224, 27861), (9287, 27672), (13836, 18574)]