90387978

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{18439}}^1$

素因数の和:18506

約数の個数: 32

約数和(自身を含む): 194726400

約数和(自身を除く): 104338422

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4902, 18439, 36878, 55317, 110634, 350341, 700682, 792877, 1051023, 1585754, 2102046, 2378631, 4757262, 15064663, 30129326, 45193989, 90387978]

約数ペア:

[(1, 90387978), (2, 45193989), (3, 30129326), (6, 15064663), (19, 4757262), (38, 2378631), (43, 2102046), (57, 1585754), (86, 1051023), (114, 792877), (129, 700682), (258, 350341), (817, 110634), (1634, 55317), (2451, 36878), (4902, 18439)]