2109389915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1\times {\mathrm{17791}}^1$

素因数の和:18850

約数の個数: 16

約数和(自身を含む): 2644033536

約数和(自身を除く): 534643621

約数列:

[1, 5, 23, 115, 1031, 5155, 17791, 23713, 88955, 118565, 409193, 2045965, 18342521, 91712605, 421877983, 2109389915]

約数ペア:

[(1, 2109389915), (5, 421877983), (23, 91712605), (115, 18342521), (1031, 2045965), (5155, 409193), (17791, 118565), (23713, 88955)]