139882015

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 216149472

約数和(自身を除く): 76267457

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 245, 259, 455, 481, 637, 1187, 1295, 1813, 2405, 3185, 3367, 5935, 8309, 9065, 15431, 16835, 23569, 41545, 43919, 58163, 77155, 108017, 117845, 219595, 290815, 307433, 540085, 570947, 756119, 1537165, 2152031, 2854735, 3780595, 3996629, 10760155, 19983145, 27976403, 139882015]

約数ペア:

[(1, 139882015), (5, 27976403), (7, 19983145), (13, 10760155), (35, 3996629), (37, 3780595), (49, 2854735), (65, 2152031), (91, 1537165), (185, 756119), (245, 570947), (259, 540085), (455, 307433), (481, 290815), (637, 219595), (1187, 117845), (1295, 108017), (1813, 77155), (2405, 58163), (3185, 43919), (3367, 41545), (5935, 23569), (8309, 16835), (9065, 15431)]