128164075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12721}}^1$

素因数の和:12775

約数の個数: 24

約数和(自身を含む): 176683136

約数和(自身を除く): 48519061

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 12721, 63605, 165373, 318025, 394351, 826865, 1971755, 4134325, 5126563, 9858775, 25632815, 128164075]

約数ペア:

[(1, 128164075), (5, 25632815), (13, 9858775), (25, 5126563), (31, 4134325), (65, 1971755), (155, 826865), (325, 394351), (403, 318025), (775, 165373), (2015, 63605), (10075, 12721)]