138879130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2291

約数の個数: 48

約数和(自身を含む): 278132184

約数和(自身を除く): 139253054

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 338, 370, 481, 845, 962, 1690, 2221, 2405, 4442, 4810, 6253, 11105, 12506, 22210, 28873, 31265, 57746, 62530, 82177, 144365, 164354, 288730, 375349, 410885, 750698, 821770, 1068301, 1876745, 2136602, 3753490, 5341505, 10683010, 13887913, 27775826, 69439565, 138879130]

約数ペア:

[(1, 138879130), (2, 69439565), (5, 27775826), (10, 13887913), (13, 10683010), (26, 5341505), (37, 3753490), (65, 2136602), (74, 1876745), (130, 1068301), (169, 821770), (185, 750698), (338, 410885), (370, 375349), (481, 288730), (845, 164354), (962, 144365), (1690, 82177), (2221, 62530), (2405, 57746), (4442, 31265), (4810, 28873), (6253, 22210), (11105, 12506)]