25171388

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 48911016

約数和(自身を除く): 23739628

約数列:

[1, 2, 4, 11, 22, 44, 121, 131, 242, 262, 397, 484, 524, 794, 1441, 1588, 2882, 4367, 5764, 8734, 15851, 17468, 31702, 48037, 52007, 63404, 96074, 104014, 192148, 208028, 572077, 1144154, 2288308, 6292847, 12585694, 25171388]

約数ペア:

[(1, 25171388), (2, 12585694), (4, 6292847), (11, 2288308), (22, 1144154), (44, 572077), (121, 208028), (131, 192148), (242, 104014), (262, 96074), (397, 63404), (484, 52007), (524, 48037), (794, 31702), (1441, 17468), (1588, 15851), (2882, 8734), (4367, 5764)]