25771915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 35816256

約数和(自身を除く): 10044341

約数列:

[1, 5, 13, 17, 65, 83, 85, 221, 281, 415, 1079, 1105, 1405, 1411, 3653, 4777, 5395, 7055, 18265, 18343, 23323, 23885, 62101, 91715, 116615, 303199, 310505, 396491, 1515995, 1982455, 5154383, 25771915]

約数ペア:

[(1, 25771915), (5, 5154383), (13, 1982455), (17, 1515995), (65, 396491), (83, 310505), (85, 303199), (221, 116615), (281, 91715), (415, 62101), (1079, 23885), (1105, 23323), (1405, 18343), (1411, 18265), (3653, 7055), (4777, 5395)]