138250576

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1571

約数の個数: 40

約数和(自身を含む): 278021888

約数和(自身を除く): 139771312

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 211, 248, 422, 496, 844, 1321, 1688, 2642, 3376, 5284, 6541, 10568, 13082, 21136, 26164, 40951, 52328, 81902, 104656, 163804, 278731, 327608, 557462, 655216, 1114924, 2229848, 4459696, 8640661, 17281322, 34562644, 69125288, 138250576]

約数ペア:

[(1, 138250576), (2, 69125288), (4, 34562644), (8, 17281322), (16, 8640661), (31, 4459696), (62, 2229848), (124, 1114924), (211, 655216), (248, 557462), (422, 327608), (496, 278731), (844, 163804), (1321, 104656), (1688, 81902), (2642, 52328), (3376, 40951), (5284, 26164), (6541, 21136), (10568, 13082)]