71982505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 105131520

約数和(自身を除く): 33149015

約数列:

[1, 5, 7, 17, 35, 85, 119, 311, 389, 595, 1555, 1945, 2177, 2723, 5287, 6613, 10885, 13615, 26435, 33065, 37009, 46291, 120979, 185045, 231455, 604895, 846853, 2056643, 4234265, 10283215, 14396501, 71982505]

約数ペア:

[(1, 71982505), (5, 14396501), (7, 10283215), (17, 4234265), (35, 2056643), (85, 846853), (119, 604895), (311, 231455), (389, 185045), (595, 120979), (1555, 46291), (1945, 37009), (2177, 33065), (2723, 26435), (5287, 13615), (6613, 10885)]