54978128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 110707200

約数和(自身を除く): 55729072

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 199, 248, 398, 496, 557, 796, 1114, 1592, 2228, 3184, 4456, 6169, 8912, 12338, 17267, 24676, 34534, 49352, 69068, 98704, 110843, 138136, 221686, 276272, 443372, 886744, 1773488, 3436133, 6872266, 13744532, 27489064, 54978128]

約数ペア:

[(1, 54978128), (2, 27489064), (4, 13744532), (8, 6872266), (16, 3436133), (31, 1773488), (62, 886744), (124, 443372), (199, 276272), (248, 221686), (398, 138136), (496, 110843), (557, 98704), (796, 69068), (1114, 49352), (1592, 34534), (2228, 24676), (3184, 17267), (4456, 12338), (6169, 8912)]