251091224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{12391}}^1$

素因数の和:12563

約数の個数: 32

約数和(自身を含む): 501876000

約数和(自身を除く): 250784776

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149, 298, 596, 1192, 2533, 5066, 10132, 12391, 20264, 24782, 49564, 99128, 210647, 421294, 842588, 1685176, 1846259, 3692518, 7385036, 14770072, 31386403, 62772806, 125545612, 251091224]

約数ペア:

[(1, 251091224), (2, 125545612), (4, 62772806), (8, 31386403), (17, 14770072), (34, 7385036), (68, 3692518), (136, 1846259), (149, 1685176), (298, 842588), (596, 421294), (1192, 210647), (2533, 99128), (5066, 49564), (10132, 24782), (12391, 20264)]