255222071

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 301771008

約数和(自身を除く): 46548937

約数列:

[1, 13, 17, 43, 107, 221, 251, 559, 731, 1391, 1819, 3263, 4267, 4601, 9503, 10793, 23647, 26857, 55471, 59813, 78217, 140309, 183481, 349141, 456569, 1016821, 1154851, 2385253, 5935397, 15013063, 19632467, 255222071]

約数ペア:

[(1, 255222071), (13, 19632467), (17, 15013063), (43, 5935397), (107, 2385253), (221, 1154851), (251, 1016821), (559, 456569), (731, 349141), (1391, 183481), (1819, 140309), (3263, 78217), (4267, 59813), (4601, 55471), (9503, 26857), (10793, 23647)]