199978832

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{76679}}^1$

素因数の和:76850

約数の個数: 20

約数和(自身を含む): 389841120

約数和(自身を除く): 189862288

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 76679, 153358, 306716, 613432, 1226864, 12498677, 24997354, 49994708, 99989416, 199978832]

約数ペア:

[(1, 199978832), (2, 99989416), (4, 49994708), (8, 24997354), (16, 12498677), (163, 1226864), (326, 613432), (652, 306716), (1304, 153358), (2608, 76679)]