261646044

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 674252544

約数和(自身を除く): 412606500

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 367, 484, 491, 726, 734, 982, 1101, 1452, 1468, 1473, 1964, 2202, 2946, 4037, 4404, 5401, 5892, 8074, 10802, 12111, 16148, 16203, 21604, 24222, 32406, 44407, 48444, 59411, 64812, 88814, 118822, 133221, 177628, 178233, 180197, 237644, 266442, 356466, 360394, 532884, 540591, 712932, 720788, 1081182, 1982167, 2162364, 3964334, 5946501, 7928668, 11893002, 21803837, 23786004, 43607674, 65411511, 87215348, 130823022, 261646044]

約数ペア:

[(1, 261646044), (2, 130823022), (3, 87215348), (4, 65411511), (6, 43607674), (11, 23786004), (12, 21803837), (22, 11893002), (33, 7928668), (44, 5946501), (66, 3964334), (121, 2162364), (132, 1982167), (242, 1081182), (363, 720788), (367, 712932), (484, 540591), (491, 532884), (726, 360394), (734, 356466), (982, 266442), (1101, 237644), (1452, 180197), (1468, 178233), (1473, 177628), (1964, 133221), (2202, 118822), (2946, 88814), (4037, 64812), (4404, 59411), (5401, 48444), (5892, 44407), (8074, 32406), (10802, 24222), (12111, 21604), (16148, 16203)]