1396840945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{21347}}^1$

素因数の和:21944

約数の個数: 16

約数和(自身を含む): 1752243840

約数和(自身を除く): 355402895

約数列:

[1, 5, 23, 115, 569, 2845, 13087, 21347, 65435, 106735, 490981, 2454905, 12146443, 60732215, 279368189, 1396840945]

約数ペア:

[(1, 1396840945), (5, 279368189), (23, 60732215), (115, 12146443), (569, 2454905), (2845, 490981), (13087, 106735), (21347, 65435)]