209032070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51869}}^1$

素因数の和:51920

約数の個数: 32

約数和(自身を含む): 418279680

約数和(自身を除く): 209247610

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51869, 103738, 259345, 518690, 674297, 1348594, 1607939, 3215878, 3371485, 6742970, 8039695, 16079390, 20903207, 41806414, 104516035, 209032070]

約数ペア:

[(1, 209032070), (2, 104516035), (5, 41806414), (10, 20903207), (13, 16079390), (26, 8039695), (31, 6742970), (62, 3371485), (65, 3215878), (130, 1607939), (155, 1348594), (310, 674297), (403, 518690), (806, 259345), (2015, 103738), (4030, 51869)]