251935918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{9719}}^1$

素因数の和:10731

約数の個数: 16

約数和(自身を含む): 407423520

約数和(自身を除く): 155487602

約数列:

[1, 2, 13, 26, 997, 1994, 9719, 12961, 19438, 25922, 126347, 252694, 9689843, 19379686, 125967959, 251935918]

約数ペア:

[(1, 251935918), (2, 125967959), (13, 19379686), (26, 9689843), (997, 252694), (1994, 126347), (9719, 25922), (12961, 19438)]