1990109401

素因数分解:

$7^1\times {\mathrm{313}}^1\times {\mathrm{881}}^1\times {\mathrm{1031}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 2286482688

約数和(自身を除く): 296373287

約数列:

[1, 7, 313, 881, 1031, 2191, 6167, 7217, 275753, 322703, 908311, 1930271, 2258921, 6358177, 284301343, 1990109401]

約数ペア:

[(1, 1990109401), (7, 284301343), (313, 6358177), (881, 2258921), (1031, 1930271), (2191, 908311), (6167, 322703), (7217, 275753)]