65686288

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 130090880

約数和(自身を除く): 64404592

約数列:

[1, 2, 4, 8, 16, 79, 157, 158, 314, 316, 331, 628, 632, 662, 1256, 1264, 1324, 2512, 2648, 5296, 12403, 24806, 26149, 49612, 51967, 52298, 99224, 103934, 104596, 198448, 207868, 209192, 415736, 418384, 831472, 4105393, 8210786, 16421572, 32843144, 65686288]

約数ペア:

[(1, 65686288), (2, 32843144), (4, 16421572), (8, 8210786), (16, 4105393), (79, 831472), (157, 418384), (158, 415736), (314, 209192), (316, 207868), (331, 198448), (628, 104596), (632, 103934), (662, 99224), (1256, 52298), (1264, 51967), (1324, 49612), (2512, 26149), (2648, 24806), (5296, 12403)]