289780325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2647}}^1$

素因数の和:2837

約数の個数: 24

約数和(自身を含む): 374321280

約数和(自身を除く): 84540955

約数列:

[1, 5, 25, 29, 145, 151, 725, 755, 2647, 3775, 4379, 13235, 21895, 66175, 76763, 109475, 383815, 399697, 1919075, 1998485, 9992425, 11591213, 57956065, 289780325]

約数ペア:

[(1, 289780325), (5, 57956065), (25, 11591213), (29, 9992425), (145, 1998485), (151, 1919075), (725, 399697), (755, 383815), (2647, 109475), (3775, 76763), (4379, 66175), (13235, 21895)]