28399273

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 34933248

約数和(自身を除く): 6533975

約数列:

[1, 7, 23, 49, 113, 161, 223, 791, 1127, 1561, 2599, 5129, 5537, 10927, 18193, 25199, 35903, 127351, 176393, 251321, 579577, 1234751, 4057039, 28399273]

約数ペア:

[(1, 28399273), (7, 4057039), (23, 1234751), (49, 579577), (113, 251321), (161, 176393), (223, 127351), (791, 35903), (1127, 25199), (1561, 18193), (2599, 10927), (5129, 5537)]