278313438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{13567}}^1$

素因数の和:13848

約数の個数: 32

約数和(自身を含む): 601767936

約数和(自身を除く): 323454498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1578, 3419, 6838, 10257, 13567, 20514, 27134, 40701, 81402, 176371, 352742, 529113, 1058226, 3568121, 7136242, 10704363, 21408726, 46385573, 92771146, 139156719, 278313438]

約数ペア:

[(1, 278313438), (2, 139156719), (3, 92771146), (6, 46385573), (13, 21408726), (26, 10704363), (39, 7136242), (78, 3568121), (263, 1058226), (526, 529113), (789, 352742), (1578, 176371), (3419, 81402), (6838, 40701), (10257, 27134), (13567, 20514)]