4087915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 5374656

約数和(自身を除く): 1286741

約数列:

[1, 5, 13, 61, 65, 305, 793, 1031, 3965, 5155, 13403, 62891, 67015, 314455, 817583, 4087915]

約数ペア:

[(1, 4087915), (5, 817583), (13, 314455), (61, 67015), (65, 62891), (305, 13403), (793, 5155), (1031, 3965)]