28140868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 60367104

約数和(自身を除く): 32226236

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 74, 92, 148, 161, 259, 322, 518, 644, 851, 1036, 1181, 1702, 2362, 3404, 4724, 5957, 8267, 11914, 16534, 23828, 27163, 33068, 43697, 54326, 87394, 108652, 174788, 190141, 305879, 380282, 611758, 760564, 1005031, 1223516, 2010062, 4020124, 7035217, 14070434, 28140868]

約数ペア:

[(1, 28140868), (2, 14070434), (4, 7035217), (7, 4020124), (14, 2010062), (23, 1223516), (28, 1005031), (37, 760564), (46, 611758), (74, 380282), (92, 305879), (148, 190141), (161, 174788), (259, 108652), (322, 87394), (518, 54326), (644, 43697), (851, 33068), (1036, 27163), (1181, 23828), (1702, 16534), (2362, 11914), (3404, 8267), (4724, 5957)]