1391420156

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{118037}}^1$

素因数の和:118469

約数の個数: 24

約数和(自身を含む): 2789474016

約数和(自身を除く): 1398053860

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 118037, 236074, 472148, 826259, 1652518, 3305036, 49693577, 99387154, 198774308, 347855039, 695710078, 1391420156]

約数ペア:

[(1, 1391420156), (2, 695710078), (4, 347855039), (7, 198774308), (14, 99387154), (28, 49693577), (421, 3305036), (842, 1652518), (1684, 826259), (2947, 472148), (5894, 236074), (11788, 118037)]