839047885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{2213}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 1145612160

約数和(自身を除く): 306564275

約数列:

[1, 5, 13, 19, 65, 95, 247, 307, 1235, 1535, 2213, 3991, 5833, 11065, 19955, 28769, 29165, 42047, 75829, 143845, 210235, 379145, 546611, 679391, 2733055, 3396955, 8832083, 12908429, 44160415, 64542145, 167809577, 839047885]

約数ペア:

[(1, 839047885), (5, 167809577), (13, 64542145), (19, 44160415), (65, 12908429), (95, 8832083), (247, 3396955), (307, 2733055), (1235, 679391), (1535, 546611), (2213, 379145), (3991, 210235), (5833, 143845), (11065, 75829), (19955, 42047), (28769, 29165)]