261298964810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{28309747}}^1$

素因数の和:28309838

約数の個数: 32

約数和(自身を含む): 513652067712

約数和(自身を除く): 252353102902

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 28309747, 56619494, 141548735, 283097470, 368026711, 736053422, 1840133555, 2009992037, 3680267110, 4019984074, 10049960185, 20099920370, 26129896481, 52259792962, 130649482405, 261298964810]

約数ペア:

[(1, 261298964810), (2, 130649482405), (5, 52259792962), (10, 26129896481), (13, 20099920370), (26, 10049960185), (65, 4019984074), (71, 3680267110), (130, 2009992037), (142, 1840133555), (355, 736053422), (710, 368026711), (923, 283097470), (1846, 141548735), (4615, 56619494), (9230, 28309747)]