28043183

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 36403200

約数和(自身を除く): 8360017

約数列:

[1, 7, 17, 19, 79, 119, 133, 157, 323, 553, 1099, 1343, 1501, 2261, 2669, 2983, 9401, 10507, 12403, 18683, 20881, 25517, 50711, 86821, 178619, 210851, 235657, 354977, 1475957, 1649599, 4006169, 28043183]

約数ペア:

[(1, 28043183), (7, 4006169), (17, 1649599), (19, 1475957), (79, 354977), (119, 235657), (133, 210851), (157, 178619), (323, 86821), (553, 50711), (1099, 25517), (1343, 20881), (1501, 18683), (2261, 12403), (2669, 10507), (2983, 9401)]