678691

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 16

約数和(自身を含む): 804384

約数和(自身を除く): 125693

約数列:

[1, 13, 17, 37, 83, 221, 481, 629, 1079, 1411, 3071, 8177, 18343, 39923, 52207, 678691]

約数ペア:

[(1, 678691), (13, 52207), (17, 39923), (37, 18343), (83, 8177), (221, 3071), (481, 1411), (629, 1079)]