81282355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 129850560

約数和(自身を除く): 48568205

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 385, 595, 605, 847, 935, 1129, 1309, 2057, 4235, 5645, 6545, 7903, 10285, 12419, 14399, 19193, 39515, 62095, 71995, 86933, 95965, 134351, 136609, 211123, 434665, 671755, 683045, 956263, 1055615, 1477861, 2322353, 4781315, 7389305, 11611765, 16256471, 81282355]

約数ペア:

[(1, 81282355), (5, 16256471), (7, 11611765), (11, 7389305), (17, 4781315), (35, 2322353), (55, 1477861), (77, 1055615), (85, 956263), (119, 683045), (121, 671755), (187, 434665), (385, 211123), (595, 136609), (605, 134351), (847, 95965), (935, 86933), (1129, 71995), (1309, 62095), (2057, 39515), (4235, 19193), (5645, 14399), (6545, 12419), (7903, 10285)]