1640467543

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 2064585600

約数和(自身を除く): 424118057

約数列:

[1, 11, 13, 19, 121, 131, 143, 209, 247, 419, 1441, 1573, 1703, 2299, 2489, 2717, 4609, 5447, 7961, 15851, 18733, 27379, 29887, 32357, 50699, 54889, 59917, 87571, 103493, 206063, 301169, 355927, 603779, 659087, 713557, 963281, 1042891, 1138423, 3915197, 6641569, 7849127, 11471801, 12522653, 13557583, 86340397, 126189811, 149133413, 1640467543]

約数ペア:

[(1, 1640467543), (11, 149133413), (13, 126189811), (19, 86340397), (121, 13557583), (131, 12522653), (143, 11471801), (209, 7849127), (247, 6641569), (419, 3915197), (1441, 1138423), (1573, 1042891), (1703, 963281), (2299, 713557), (2489, 659087), (2717, 603779), (4609, 355927), (5447, 301169), (7961, 206063), (15851, 103493), (18733, 87571), (27379, 59917), (29887, 54889), (32357, 50699)]