86873470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4056

約数の個数: 32

約数和(自身を含む): 163731456

約数和(自身を除く): 76857986

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 3947, 4402, 7894, 11005, 19735, 22010, 39470, 122357, 244714, 280237, 560474, 611785, 1223570, 1401185, 2802370, 8687347, 17374694, 43436735, 86873470]

約数ペア:

[(1, 86873470), (2, 43436735), (5, 17374694), (10, 8687347), (31, 2802370), (62, 1401185), (71, 1223570), (142, 611785), (155, 560474), (310, 280237), (355, 244714), (710, 122357), (2201, 39470), (3947, 22010), (4402, 19735), (7894, 11005)]