2781270863

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{86771}}^1$

素因数の和:87038

約数の個数: 16

約数和(自身を含む): 3359811840

約数和(自身を除く): 578540977

約数列:

[1, 7, 19, 133, 241, 1687, 4579, 32053, 86771, 607397, 1648649, 11540543, 20911811, 146382677, 397324409, 2781270863]

約数ペア:

[(1, 2781270863), (7, 397324409), (19, 146382677), (133, 20911811), (241, 11540543), (1687, 1648649), (4579, 607397), (32053, 86771)]