131506510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{2557}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 244954080

約数和(自身を除く): 113447570

約数列:

[1, 2, 5, 10, 37, 74, 139, 185, 278, 370, 695, 1390, 2557, 5114, 5143, 10286, 12785, 25570, 25715, 51430, 94609, 189218, 355423, 473045, 710846, 946090, 1777115, 3554230, 13150651, 26301302, 65753255, 131506510]

約数ペア:

[(1, 131506510), (2, 65753255), (5, 26301302), (10, 13150651), (37, 3554230), (74, 1777115), (139, 946090), (185, 710846), (278, 473045), (370, 355423), (695, 189218), (1390, 94609), (2557, 51430), (5114, 25715), (5143, 25570), (10286, 12785)]