81220706

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{10529}}^1$

素因数の和:10586

約数の個数: 32

約数和(自身を含む): 151632000

約数和(自身を除く): 70411294

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 3857, 7714, 10529, 21058, 73703, 147406, 200051, 305341, 400102, 610682, 1400357, 2137387, 2800714, 4274774, 5801479, 11602958, 40610353, 81220706]

約数ペア:

[(1, 81220706), (2, 40610353), (7, 11602958), (14, 5801479), (19, 4274774), (29, 2800714), (38, 2137387), (58, 1400357), (133, 610682), (203, 400102), (266, 305341), (406, 200051), (551, 147406), (1102, 73703), (3857, 21058), (7714, 10529)]