83990972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{124247}}^1$

素因数の和:124277

約数の個数: 18

約数和(自身を含む): 159161688

約数和(自身を除く): 75170716

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 124247, 248494, 496988, 1615211, 3230422, 6460844, 20997743, 41995486, 83990972]

約数ペア:

[(1, 83990972), (2, 41995486), (4, 20997743), (13, 6460844), (26, 3230422), (52, 1615211), (169, 496988), (338, 248494), (676, 124247)]