520013455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{195127}}^1$

素因数の和:195186

約数の個数: 16

約数和(自身を含む): 688411584

約数和(自身を除く): 168398129

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 195127, 975635, 2536651, 8000207, 12683255, 40001035, 104002691, 520013455]

約数ペア:

[(1, 520013455), (5, 104002691), (13, 40001035), (41, 12683255), (65, 8000207), (205, 2536651), (533, 975635), (2665, 195127)]