978170798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{225697}}^1$

素因数の和:225907

約数の個数: 16

約数和(自身を含む): 1608775344

約数和(自身を除く): 630604546

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 225697, 451394, 2482667, 4965334, 44462309, 88924618, 489085399, 978170798]

約数ペア:

[(1, 978170798), (2, 489085399), (11, 88924618), (22, 44462309), (197, 4965334), (394, 2482667), (2167, 451394), (4334, 225697)]