28181264

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{11821}}^1$

素因数の和:11978

約数の個数: 20

約数和(自身を含む): 54972300

約数和(自身を除く): 26791036

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 11821, 23642, 47284, 94568, 189136, 1761329, 3522658, 7045316, 14090632, 28181264]

約数ペア:

[(1, 28181264), (2, 14090632), (4, 7045316), (8, 3522658), (16, 1761329), (149, 189136), (298, 94568), (596, 47284), (1192, 23642), (2384, 11821)]