131065025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 203986944

約数和(自身を除く): 72921919

約数列:

[1, 5, 7, 13, 25, 35, 53, 65, 91, 175, 265, 325, 371, 455, 689, 1087, 1325, 1855, 2275, 3445, 4823, 5435, 7609, 9275, 14131, 17225, 24115, 27175, 38045, 57611, 70655, 98917, 120575, 190225, 288055, 353275, 403277, 494585, 748943, 1440275, 2016385, 2472925, 3744715, 5242601, 10081925, 18723575, 26213005, 131065025]

約数ペア:

[(1, 131065025), (5, 26213005), (7, 18723575), (13, 10081925), (25, 5242601), (35, 3744715), (53, 2472925), (65, 2016385), (91, 1440275), (175, 748943), (265, 494585), (325, 403277), (371, 353275), (455, 288055), (689, 190225), (1087, 120575), (1325, 98917), (1855, 70655), (2275, 57611), (3445, 38045), (4823, 27175), (5435, 24115), (7609, 17225), (9275, 14131)]