990002

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 24

約数和(自身を含む): 1679940

約数和(自身を除く): 689938

約数列:

[1, 2, 13, 26, 29, 58, 101, 169, 202, 338, 377, 754, 1313, 2626, 2929, 4901, 5858, 9802, 17069, 34138, 38077, 76154, 495001, 990002]

約数ペア:

[(1, 990002), (2, 495001), (13, 76154), (26, 38077), (29, 34138), (58, 17069), (101, 9802), (169, 5858), (202, 4901), (338, 2929), (377, 2626), (754, 1313)]