291036005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{15493}}^1$

素因数の和:15545

約数の個数: 24

約数和(自身を含む): 399559272

約数和(自身を除く): 108523267

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 15493, 18785, 77465, 201409, 263381, 1007045, 1316905, 3423953, 4477477, 17119765, 22387385, 58207201, 291036005]

約数ペア:

[(1, 291036005), (5, 58207201), (13, 22387385), (17, 17119765), (65, 4477477), (85, 3423953), (221, 1316905), (289, 1007045), (1105, 263381), (1445, 201409), (3757, 77465), (15493, 18785)]