72904195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{983}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 108444672

約数和(自身を除く): 35540477

約数列:

[1, 5, 7, 13, 35, 65, 91, 163, 455, 815, 983, 1141, 2119, 4915, 5705, 6881, 10595, 12779, 14833, 34405, 63895, 74165, 89453, 160229, 447265, 801145, 1121603, 2082977, 5608015, 10414885, 14580839, 72904195]

約数ペア:

[(1, 72904195), (5, 14580839), (7, 10414885), (13, 5608015), (35, 2082977), (65, 1121603), (91, 801145), (163, 447265), (455, 160229), (815, 89453), (983, 74165), (1141, 63895), (2119, 34405), (4915, 14833), (5705, 12779), (6881, 10595)]