30257395

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 43499520

約数和(自身を除く): 13242125

約数列:

[1, 5, 7, 31, 35, 79, 155, 217, 353, 395, 553, 1085, 1765, 2449, 2471, 2765, 10943, 12245, 12355, 17143, 27887, 54715, 76601, 85715, 139435, 195209, 383005, 864497, 976045, 4322485, 6051479, 30257395]

約数ペア:

[(1, 30257395), (5, 6051479), (7, 4322485), (31, 976045), (35, 864497), (79, 383005), (155, 195209), (217, 139435), (353, 85715), (395, 76601), (553, 54715), (1085, 27887), (1765, 17143), (2449, 12355), (2471, 12245), (2765, 10943)]