80890901

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{18913}}^1$

素因数の和:18980

約数の個数: 16

約数和(自身を含む): 101681664

約数和(自身を除く): 20790763

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 18913, 132391, 245869, 888911, 1721083, 6222377, 11555843, 80890901]

約数ペア:

[(1, 80890901), (7, 11555843), (13, 6222377), (47, 1721083), (91, 888911), (329, 245869), (611, 132391), (4277, 18913)]