64805215

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{3259}}^1$

素因数の和:3402

約数の個数: 16

約数和(自身を含む): 80508960

約数和(自身を除く): 15703745

約数列:

[1, 5, 41, 97, 205, 485, 3259, 3977, 16295, 19885, 133619, 316123, 668095, 1580615, 12961043, 64805215]

約数ペア:

[(1, 64805215), (5, 12961043), (41, 1580615), (97, 668095), (205, 316123), (485, 133619), (3259, 19885), (3977, 16295)]