138979078

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{3529}}^1$

素因数の和:3664

約数の個数: 32

約数和(自身を含む): 249076800

約数和(自身を除く): 110097722

約数列:

[1, 2, 7, 14, 29, 58, 97, 194, 203, 406, 679, 1358, 2813, 3529, 5626, 7058, 19691, 24703, 39382, 49406, 102341, 204682, 342313, 684626, 716387, 1432774, 2396191, 4792382, 9927077, 19854154, 69489539, 138979078]

約数ペア:

[(1, 138979078), (2, 69489539), (7, 19854154), (14, 9927077), (29, 4792382), (58, 2396191), (97, 1432774), (194, 716387), (203, 684626), (406, 342313), (679, 204682), (1358, 102341), (2813, 49406), (3529, 39382), (5626, 24703), (7058, 19691)]