668396638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{99257}}^1$

素因数の和:99316

約数の個数: 32

約数和(自身を含む): 1267326144

約数和(自身を除く): 598929506

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 3367, 6734, 99257, 198514, 694799, 1290341, 1389598, 2580682, 3672509, 7345018, 9032387, 18064774, 25707563, 47742617, 51415126, 95485234, 334198319, 668396638]

約数ペア:

[(1, 668396638), (2, 334198319), (7, 95485234), (13, 51415126), (14, 47742617), (26, 25707563), (37, 18064774), (74, 9032387), (91, 7345018), (182, 3672509), (259, 2580682), (481, 1389598), (518, 1290341), (962, 694799), (3367, 198514), (6734, 99257)]