2161211676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{76541}}^1$

素因数の和:76742

約数の個数: 48

約数和(自身を含む): 5460812448

約数和(自身を除く): 3299600772

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 724, 1086, 2172, 2353, 4706, 7059, 9412, 14118, 28236, 76541, 153082, 229623, 306164, 459246, 918492, 995033, 1990066, 2985099, 3980132, 5970198, 11940396, 13853921, 27707842, 41561763, 55415684, 83123526, 166247052, 180100973, 360201946, 540302919, 720403892, 1080605838, 2161211676]

約数ペア:

[(1, 2161211676), (2, 1080605838), (3, 720403892), (4, 540302919), (6, 360201946), (12, 180100973), (13, 166247052), (26, 83123526), (39, 55415684), (52, 41561763), (78, 27707842), (156, 13853921), (181, 11940396), (362, 5970198), (543, 3980132), (724, 2985099), (1086, 1990066), (2172, 995033), (2353, 918492), (4706, 459246), (7059, 306164), (9412, 229623), (14118, 153082), (28236, 76541)]