164865155

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 254721600

約数和(自身を除く): 89856445

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 245, 259, 455, 481, 637, 1295, 1399, 1813, 2405, 3185, 3367, 6995, 9065, 9793, 16835, 18187, 23569, 48965, 51763, 68551, 90935, 117845, 127309, 258815, 342755, 362341, 636545, 672919, 891163, 1811705, 2536387, 3364595, 4455815, 4710433, 12681935, 23552165, 32973031, 164865155]

約数ペア:

[(1, 164865155), (5, 32973031), (7, 23552165), (13, 12681935), (35, 4710433), (37, 4455815), (49, 3364595), (65, 2536387), (91, 1811705), (185, 891163), (245, 672919), (259, 636545), (455, 362341), (481, 342755), (637, 258815), (1295, 127309), (1399, 117845), (1813, 90935), (2405, 68551), (3185, 51763), (3367, 48965), (6995, 23569), (9065, 18187), (9793, 16835)]