281271275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 360070704

約数和(自身を除く): 78799429

約数列:

[1, 5, 25, 41, 137, 205, 685, 1025, 2003, 3425, 5617, 10015, 28085, 50075, 82123, 140425, 274411, 410615, 1372055, 2053075, 6860275, 11250851, 56254255, 281271275]

約数ペア:

[(1, 281271275), (5, 56254255), (25, 11250851), (41, 6860275), (137, 2053075), (205, 1372055), (685, 410615), (1025, 274411), (2003, 140425), (3425, 82123), (5617, 50075), (10015, 28085)]