28284425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3001}}^1$

素因数の和:3053

約数の個数: 24

約数和(自身を含む): 39086040

約数和(自身を除く): 10801615

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 3001, 9425, 15005, 39013, 75025, 87029, 195065, 435145, 975325, 1131377, 2175725, 5656885, 28284425]

約数ペア:

[(1, 28284425), (5, 5656885), (13, 2175725), (25, 1131377), (29, 975325), (65, 435145), (145, 195065), (325, 87029), (377, 75025), (725, 39013), (1885, 15005), (3001, 9425)]