199432909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 217854000

約数和(自身を除く): 18421091

約数列:

[1, 13, 113, 349, 389, 1469, 4537, 5057, 39437, 43957, 135761, 512681, 571441, 1764893, 15340993, 199432909]

約数ペア:

[(1, 199432909), (13, 15340993), (113, 1764893), (349, 571441), (389, 512681), (1469, 135761), (4537, 43957), (5057, 39437)]