31181648

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{47533}}^1$

素因数の和:47582

約数の個数: 20

約数和(自身を含む): 61889268

約数和(自身を除く): 30707620

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 47533, 95066, 190132, 380264, 760528, 1948853, 3897706, 7795412, 15590824, 31181648]

約数ペア:

[(1, 31181648), (2, 15590824), (4, 7795412), (8, 3897706), (16, 1948853), (41, 760528), (82, 380264), (164, 190132), (328, 95066), (656, 47533)]