25295564

素因数分解:

$2^2\times 7^3\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 27120436

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 179, 196, 206, 343, 358, 412, 686, 716, 721, 1253, 1372, 1442, 2506, 2884, 5012, 5047, 8771, 10094, 17542, 18437, 20188, 35084, 35329, 36874, 61397, 70658, 73748, 122794, 129059, 141316, 245588, 258118, 516236, 903413, 1806826, 3613652, 6323891, 12647782, 25295564]

約数ペア:

[(1, 25295564), (2, 12647782), (4, 6323891), (7, 3613652), (14, 1806826), (28, 903413), (49, 516236), (98, 258118), (103, 245588), (179, 141316), (196, 129059), (206, 122794), (343, 73748), (358, 70658), (412, 61397), (686, 36874), (716, 35329), (721, 35084), (1253, 20188), (1372, 18437), (1442, 17542), (2506, 10094), (2884, 8771), (5012, 5047)]