888948710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 1753944192

約数和(自身を除く): 864995482

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 197, 206, 337, 394, 515, 674, 985, 1030, 1339, 1685, 1970, 2561, 2678, 3370, 4381, 5122, 6695, 8762, 12805, 13390, 20291, 21905, 25610, 34711, 40582, 43810, 66389, 69422, 101455, 132778, 173555, 202910, 263783, 331945, 347110, 451243, 527566, 663890, 863057, 902486, 1318915, 1726114, 2256215, 2637830, 4315285, 4512430, 6838067, 8630570, 13676134, 34190335, 68380670, 88894871, 177789742, 444474355, 888948710]

約数ペア:

[(1, 888948710), (2, 444474355), (5, 177789742), (10, 88894871), (13, 68380670), (26, 34190335), (65, 13676134), (103, 8630570), (130, 6838067), (197, 4512430), (206, 4315285), (337, 2637830), (394, 2256215), (515, 1726114), (674, 1318915), (985, 902486), (1030, 863057), (1339, 663890), (1685, 527566), (1970, 451243), (2561, 347110), (2678, 331945), (3370, 263783), (4381, 202910), (5122, 173555), (6695, 132778), (8762, 101455), (12805, 69422), (13390, 66389), (20291, 43810), (21905, 40582), (25610, 34711)]