645801979

素因数分解:

${\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 668715264

約数和(自身を除く): 22913285

約数列:

[1, 53, 101, 223, 541, 5353, 11819, 22523, 28673, 54641, 120643, 1193719, 2895973, 6394079, 12184943, 645801979]

約数ペア:

[(1, 645801979), (53, 12184943), (101, 6394079), (223, 2895973), (541, 1193719), (5353, 120643), (11819, 54641), (22523, 28673)]