16777225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 21884760

約数和(自身を除く): 5107535

約数列:

[1, 5, 25, 29, 73, 145, 317, 365, 725, 1585, 1825, 2117, 7925, 9193, 10585, 23141, 45965, 52925, 115705, 229825, 578525, 671089, 3355445, 16777225]

約数ペア:

[(1, 16777225), (5, 3355445), (25, 671089), (29, 578525), (73, 229825), (145, 115705), (317, 52925), (365, 45965), (725, 23141), (1585, 10585), (1825, 9193), (2117, 7925)]