172221278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{14407}}^1$

素因数の和:14591

約数の個数: 16

約数和(自身を含む): 266259840

約数和(自身を除く): 94038562

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 14407, 28814, 619501, 1239002, 2002573, 4005146, 86110639, 172221278]

約数ペア:

[(1, 172221278), (2, 86110639), (43, 4005146), (86, 2002573), (139, 1239002), (278, 619501), (5977, 28814), (11954, 14407)]