199971746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163643}}^1$

素因数の和:163705

約数の個数: 16

約数和(自身を含む): 329906304

約数和(自身を除く): 129934558

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 163643, 327286, 2127359, 4254718, 7691221, 15382442, 99985873, 199971746]

約数ペア:

[(1, 199971746), (2, 99985873), (13, 15382442), (26, 7691221), (47, 4254718), (94, 2127359), (611, 327286), (1222, 163643)]