131264445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 241920000

約数和(自身を除く): 110655555

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 71, 95, 195, 213, 247, 285, 355, 499, 741, 923, 1065, 1235, 1349, 1497, 2495, 2769, 3705, 4047, 4615, 6487, 6745, 7485, 9481, 13845, 17537, 19461, 20235, 28443, 32435, 35429, 47405, 52611, 87685, 97305, 106287, 123253, 142215, 177145, 263055, 369759, 460577, 531435, 616265, 673151, 1381731, 1848795, 2019453, 2302885, 3365755, 6908655, 8750963, 10097265, 26252889, 43754815, 131264445]

約数ペア:

[(1, 131264445), (3, 43754815), (5, 26252889), (13, 10097265), (15, 8750963), (19, 6908655), (39, 3365755), (57, 2302885), (65, 2019453), (71, 1848795), (95, 1381731), (195, 673151), (213, 616265), (247, 531435), (285, 460577), (355, 369759), (499, 263055), (741, 177145), (923, 142215), (1065, 123253), (1235, 106287), (1349, 97305), (1497, 87685), (2495, 52611), (2769, 47405), (3705, 35429), (4047, 32435), (4615, 28443), (6487, 20235), (6745, 19461), (7485, 17537), (9481, 13845)]