28785636

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 80056704

約数和(自身を除く): 51271068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 314, 396, 463, 471, 628, 926, 942, 1389, 1413, 1727, 1852, 1884, 2778, 2826, 3454, 4167, 5093, 5181, 5556, 5652, 6908, 8334, 10186, 10362, 15279, 15543, 16668, 20372, 20724, 30558, 31086, 45837, 61116, 62172, 72691, 91674, 145382, 183348, 218073, 290764, 436146, 654219, 799601, 872292, 1308438, 1599202, 2398803, 2616876, 3198404, 4797606, 7196409, 9595212, 14392818, 28785636]

約数ペア:

[(1, 28785636), (2, 14392818), (3, 9595212), (4, 7196409), (6, 4797606), (9, 3198404), (11, 2616876), (12, 2398803), (18, 1599202), (22, 1308438), (33, 872292), (36, 799601), (44, 654219), (66, 436146), (99, 290764), (132, 218073), (157, 183348), (198, 145382), (314, 91674), (396, 72691), (463, 62172), (471, 61116), (628, 45837), (926, 31086), (942, 30558), (1389, 20724), (1413, 20372), (1727, 16668), (1852, 15543), (1884, 15279), (2778, 10362), (2826, 10186), (3454, 8334), (4167, 6908), (5093, 5652), (5181, 5556)]