256643088

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411287}}^1$

素因数の和:411311

約数の個数: 40

約数和(自身を含む): 713995968

約数和(自身を除く): 457352880

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 411287, 822574, 1233861, 1645148, 2467722, 3290296, 4935444, 5346731, 6580592, 9870888, 10693462, 16040193, 19741776, 21386924, 32080386, 42773848, 64160772, 85547696, 128321544, 256643088]

約数ペア:

[(1, 256643088), (2, 128321544), (3, 85547696), (4, 64160772), (6, 42773848), (8, 32080386), (12, 21386924), (13, 19741776), (16, 16040193), (24, 10693462), (26, 9870888), (39, 6580592), (48, 5346731), (52, 4935444), (78, 3290296), (104, 2467722), (156, 1645148), (208, 1233861), (312, 822574), (624, 411287)]