40389713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4987}}^1$

素因数の和:5096

約数の個数: 16

約数和(自身を含む): 50279040

約数和(自身を除く): 9889327

約数列:

[1, 7, 13, 89, 91, 623, 1157, 4987, 8099, 34909, 64831, 443843, 453817, 3106901, 5769959, 40389713]

約数ペア:

[(1, 40389713), (7, 5769959), (13, 3106901), (89, 453817), (91, 443843), (623, 64831), (1157, 34909), (4987, 8099)]