251281471

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{9221}}^1$

素因数の和:9474

約数の個数: 16

約数和(自身を含む): 305432640

約数和(自身を除く): 54151169

約数列:

[1, 7, 17, 119, 229, 1603, 3893, 9221, 27251, 64547, 156757, 1097299, 2111609, 14781263, 35897353, 251281471]

約数ペア:

[(1, 251281471), (7, 35897353), (17, 14781263), (119, 2111609), (229, 1097299), (1603, 156757), (3893, 64547), (9221, 27251)]