201911525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4271}}^1$

素因数の和:4373

約数の個数: 24

約数和(自身を含む): 262745088

約数和(自身を除く): 60833563

約数列:

[1, 5, 25, 31, 61, 155, 305, 775, 1525, 1891, 4271, 9455, 21355, 47275, 106775, 132401, 260531, 662005, 1302655, 3310025, 6513275, 8076461, 40382305, 201911525]

約数ペア:

[(1, 201911525), (5, 40382305), (25, 8076461), (31, 6513275), (61, 3310025), (155, 1302655), (305, 662005), (775, 260531), (1525, 132401), (1891, 106775), (4271, 47275), (9455, 21355)]