128696590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{1669}}^1$

素因数の和:2388

約数の個数: 32

約数和(自身を含む): 253225440

約数和(自身を除く): 124528850

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 701, 1402, 1669, 3338, 3505, 7010, 7711, 8345, 15422, 16690, 18359, 36718, 38555, 77110, 91795, 183590, 1169969, 2339938, 5849845, 11699690, 12869659, 25739318, 64348295, 128696590]

約数ペア:

[(1, 128696590), (2, 64348295), (5, 25739318), (10, 12869659), (11, 11699690), (22, 5849845), (55, 2339938), (110, 1169969), (701, 183590), (1402, 91795), (1669, 77110), (3338, 38555), (3505, 36718), (7010, 18359), (7711, 16690), (8345, 15422)]