72457424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{348353}}^1$

素因数の和:348374

約数の個数: 20

約数和(自身を含む): 151185636

約数和(自身を除く): 78728212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 348353, 696706, 1393412, 2786824, 4528589, 5573648, 9057178, 18114356, 36228712, 72457424]

約数ペア:

[(1, 72457424), (2, 36228712), (4, 18114356), (8, 9057178), (13, 5573648), (16, 4528589), (26, 2786824), (52, 1393412), (104, 696706), (208, 348353)]