201418315

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2543}}^1$

素因数の和:2659

約数の個数: 32

約数和(自身を含む): 289161216

約数和(自身を除く): 87742901

約数列:

[1, 5, 7, 31, 35, 73, 155, 217, 365, 511, 1085, 2263, 2543, 2555, 11315, 12715, 15841, 17801, 78833, 79205, 89005, 185639, 394165, 551831, 928195, 1299473, 2759155, 5754809, 6497365, 28774045, 40283663, 201418315]

約数ペア:

[(1, 201418315), (5, 40283663), (7, 28774045), (31, 6497365), (35, 5754809), (73, 2759155), (155, 1299473), (217, 928195), (365, 551831), (511, 394165), (1085, 185639), (2263, 89005), (2543, 79205), (2555, 78833), (11315, 17801), (12715, 15841)]