31057784

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 61127040

約数和(自身を除く): 30069256

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 2053, 3782, 4106, 7564, 8212, 15128, 16424, 63643, 125233, 127286, 250466, 254572, 500932, 509144, 1001864, 3882223, 7764446, 15528892, 31057784]

約数ペア:

[(1, 31057784), (2, 15528892), (4, 7764446), (8, 3882223), (31, 1001864), (61, 509144), (62, 500932), (122, 254572), (124, 250466), (244, 127286), (248, 125233), (488, 63643), (1891, 16424), (2053, 15128), (3782, 8212), (4106, 7564)]