1213608956

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{2161}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 2510548992

約数和(自身を除く): 1296940036

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 647, 868, 1294, 2161, 2588, 4322, 4529, 8644, 9058, 15127, 18116, 20057, 30254, 40114, 60508, 66991, 80228, 133982, 140399, 267964, 280798, 468937, 561596, 937874, 1398167, 1875748, 2796334, 5592668, 9787169, 19574338, 39148676, 43343177, 86686354, 173372708, 303402239, 606804478, 1213608956]

約数ペア:

[(1, 1213608956), (2, 606804478), (4, 303402239), (7, 173372708), (14, 86686354), (28, 43343177), (31, 39148676), (62, 19574338), (124, 9787169), (217, 5592668), (434, 2796334), (647, 1875748), (868, 1398167), (1294, 937874), (2161, 561596), (2588, 468937), (4322, 280798), (4529, 267964), (8644, 140399), (9058, 133982), (15127, 80228), (18116, 66991), (20057, 60508), (30254, 40114)]