1256798974

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{19979}}^1$

素因数の和:20495

約数の個数: 16

約数和(自身を含む): 1916161920

約数和(自身を除く): 659362946

約数列:

[1, 2, 71, 142, 443, 886, 19979, 31453, 39958, 62906, 1418509, 2837018, 8850697, 17701394, 628399487, 1256798974]

約数ペア:

[(1, 1256798974), (2, 628399487), (71, 17701394), (142, 8850697), (443, 2837018), (886, 1418509), (19979, 62906), (31453, 39958)]