628099979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1\times {\mathrm{1553}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 690796512

約数和(自身を除く): 62696533

約数列:

[1, 13, 53, 587, 689, 1553, 7631, 20189, 31111, 82309, 404443, 911611, 1070017, 11850943, 48315383, 628099979]

約数ペア:

[(1, 628099979), (13, 48315383), (53, 11850943), (587, 1070017), (689, 911611), (1553, 404443), (7631, 82309), (20189, 31111)]