131419730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2521}}^1$

素因数の和:2942

約数の個数: 32

約数和(自身を含む): 255488688

約数和(自身を除く): 124068958

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 2005, 2521, 4010, 5042, 5213, 10426, 12605, 25210, 26065, 32773, 52130, 65546, 163865, 327730, 1010921, 2021842, 5054605, 10109210, 13141973, 26283946, 65709865, 131419730]

約数ペア:

[(1, 131419730), (2, 65709865), (5, 26283946), (10, 13141973), (13, 10109210), (26, 5054605), (65, 2021842), (130, 1010921), (401, 327730), (802, 163865), (2005, 65546), (2521, 52130), (4010, 32773), (5042, 26065), (5213, 25210), (10426, 12605)]