255872968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1531}}^1\times {\mathrm{1607}}^1$

素因数の和:3157

約数の個数: 32

約数和(自身を含む): 517325760

約数和(自身を除く): 261452792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1531, 1607, 3062, 3214, 6124, 6428, 12248, 12856, 19903, 20891, 39806, 41782, 79612, 83564, 159224, 167128, 2460317, 4920634, 9841268, 19682536, 31984121, 63968242, 127936484, 255872968]

約数ペア:

[(1, 255872968), (2, 127936484), (4, 63968242), (8, 31984121), (13, 19682536), (26, 9841268), (52, 4920634), (104, 2460317), (1531, 167128), (1607, 159224), (3062, 83564), (3214, 79612), (6124, 41782), (6428, 39806), (12248, 20891), (12856, 19903)]