1550825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 2109240

約数和(自身を除く): 558415

約数列:

[1, 5, 17, 25, 41, 85, 89, 205, 425, 445, 697, 1025, 1513, 2225, 3485, 3649, 7565, 17425, 18245, 37825, 62033, 91225, 310165, 1550825]

約数ペア:

[(1, 1550825), (5, 310165), (17, 91225), (25, 62033), (41, 37825), (85, 18245), (89, 17425), (205, 7565), (425, 3649), (445, 3485), (697, 2225), (1025, 1513)]