201231290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53377}}^1$

素因数の和:53426

約数の個数: 32

約数和(自身を含む): 403537680

約数和(自身を除く): 202306390

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 53377, 106754, 266885, 533770, 693901, 1387802, 1547933, 3095866, 3469505, 6939010, 7739665, 15479330, 20123129, 40246258, 100615645, 201231290]

約数ペア:

[(1, 201231290), (2, 100615645), (5, 40246258), (10, 20123129), (13, 15479330), (26, 7739665), (29, 6939010), (58, 3469505), (65, 3095866), (130, 1547933), (145, 1387802), (290, 693901), (377, 533770), (754, 266885), (1885, 106754), (3770, 53377)]