77927915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 107775360

約数和(自身を除く): 29847445

約数列:

[1, 5, 13, 17, 65, 85, 109, 221, 545, 647, 1105, 1417, 1853, 3235, 7085, 8411, 9265, 10999, 24089, 42055, 54995, 70523, 120445, 142987, 352615, 714935, 916799, 1198891, 4583995, 5994455, 15585583, 77927915]

約数ペア:

[(1, 77927915), (5, 15585583), (13, 5994455), (17, 4583995), (65, 1198891), (85, 916799), (109, 714935), (221, 352615), (545, 142987), (647, 120445), (1105, 70523), (1417, 54995), (1853, 42055), (3235, 24089), (7085, 10999), (8411, 9265)]