645271566

素因数分解:

$2^1\times 3^1\times {\mathrm{1607}}^1\times {\mathrm{66923}}^1$

素因数の和:68535

約数の個数: 16

約数和(自身を含む): 1291365504

約数和(自身を除く): 646093938

約数列:

[1, 2, 3, 6, 1607, 3214, 4821, 9642, 66923, 133846, 200769, 401538, 107545261, 215090522, 322635783, 645271566]

約数ペア:

[(1, 645271566), (2, 322635783), (3, 215090522), (6, 107545261), (1607, 401538), (3214, 200769), (4821, 133846), (9642, 66923)]