71281730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28859}}^1$

素因数の和:28898

約数の個数: 32

約数和(自身を含む): 145454400

約数和(自身を除く): 74172670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 28859, 57718, 144295, 288590, 375167, 548321, 750334, 1096642, 1875835, 2741605, 3751670, 5483210, 7128173, 14256346, 35640865, 71281730]

約数ペア:

[(1, 71281730), (2, 35640865), (5, 14256346), (10, 7128173), (13, 5483210), (19, 3751670), (26, 2741605), (38, 1875835), (65, 1096642), (95, 750334), (130, 548321), (190, 375167), (247, 288590), (494, 144295), (1235, 57718), (2470, 28859)]