489681199

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{12689}}^1$

素因数の和:12882

約数の個数: 16

約数和(自身を含む): 578664000

約数和(自身を除く): 88982801

約数列:

[1, 7, 37, 149, 259, 1043, 5513, 12689, 38591, 88823, 469493, 1890661, 3286451, 13234627, 69954457, 489681199]

約数ペア:

[(1, 489681199), (7, 69954457), (37, 13234627), (149, 3286451), (259, 1890661), (1043, 469493), (5513, 88823), (12689, 38591)]