25620848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 54572400

約数和(自身を除く): 28951552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 298, 596, 977, 1192, 1639, 1954, 2384, 3278, 3908, 6556, 7816, 10747, 13112, 15632, 21494, 26224, 42988, 85976, 145573, 171952, 291146, 582292, 1164584, 1601303, 2329168, 3202606, 6405212, 12810424, 25620848]

約数ペア:

[(1, 25620848), (2, 12810424), (4, 6405212), (8, 3202606), (11, 2329168), (16, 1601303), (22, 1164584), (44, 582292), (88, 291146), (149, 171952), (176, 145573), (298, 85976), (596, 42988), (977, 26224), (1192, 21494), (1639, 15632), (1954, 13112), (2384, 10747), (3278, 7816), (3908, 6556)]