31444385

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 45238272

約数和(自身を除く): 13793887

約数列:

[1, 5, 7, 31, 35, 73, 155, 217, 365, 397, 511, 1085, 1985, 2263, 2555, 2779, 11315, 12307, 13895, 15841, 28981, 61535, 79205, 86149, 144905, 202867, 430745, 898411, 1014335, 4492055, 6288877, 31444385]

約数ペア:

[(1, 31444385), (5, 6288877), (7, 4492055), (31, 1014335), (35, 898411), (73, 430745), (155, 202867), (217, 144905), (365, 86149), (397, 79205), (511, 61535), (1085, 28981), (1985, 15841), (2263, 13895), (2555, 12307), (2779, 11315)]