31231690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2579}}^1$

素因数の和:2766

約数の個数: 32

約数和(自身を含む): 64644480

約数和(自身を除く): 33412790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 2422, 2579, 5158, 6055, 12110, 12895, 18053, 25790, 36106, 90265, 180530, 446167, 892334, 2230835, 3123169, 4461670, 6246338, 15615845, 31231690]

約数ペア:

[(1, 31231690), (2, 15615845), (5, 6246338), (7, 4461670), (10, 3123169), (14, 2230835), (35, 892334), (70, 446167), (173, 180530), (346, 90265), (865, 36106), (1211, 25790), (1730, 18053), (2422, 12895), (2579, 12110), (5158, 6055)]