28307110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217747}}^1$

素因数の和:217767

約数の個数: 16

約数和(自身を含む): 54872496

約数和(自身を除く): 26565386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217747, 435494, 1088735, 2177470, 2830711, 5661422, 14153555, 28307110]

約数ペア:

[(1, 28307110), (2, 14153555), (5, 5661422), (10, 2830711), (13, 2177470), (26, 1088735), (65, 435494), (130, 217747)]