201999889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{12401}}^1$

素因数の和:12600

約数の個数: 16

約数和(自身を含む): 250024320

約数和(自身を除く): 48024431

約数列:

[1, 7, 13, 91, 179, 1253, 2327, 12401, 16289, 86807, 161213, 1128491, 2219779, 15538453, 28857127, 201999889]

約数ペア:

[(1, 201999889), (7, 28857127), (13, 15538453), (91, 2219779), (179, 1128491), (1253, 161213), (2327, 86807), (12401, 16289)]