12618970637

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19810001}}^1$

素因数の和:19810028

約数の個数: 12

約数和(自身を含む): 15808381596

約数和(自身を除く): 3189410959

約数列:

[1, 7, 13, 49, 91, 637, 19810001, 138670007, 257530013, 970690049, 1802710091, 12618970637]

約数ペア:

[(1, 12618970637), (7, 1802710091), (13, 970690049), (49, 257530013), (91, 138670007), (637, 19810001)]