391107275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15233}}^1$

素因数の和:15335

約数の個数: 24

約数和(自身を含む): 528924480

約数和(自身を除く): 137817205

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 5135, 15233, 25675, 76165, 198029, 380825, 990145, 1203407, 4950725, 6017035, 15644291, 30085175, 78221455, 391107275]

約数ペア:

[(1, 391107275), (5, 78221455), (13, 30085175), (25, 15644291), (65, 6017035), (79, 4950725), (325, 1203407), (395, 990145), (1027, 380825), (1975, 198029), (5135, 76165), (15233, 25675)]