72437872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{348259}}^1$

素因数の和:348280

約数の個数: 20

約数和(自身を含む): 151144840

約数和(自身を除く): 78706968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 348259, 696518, 1393036, 2786072, 4527367, 5572144, 9054734, 18109468, 36218936, 72437872]

約数ペア:

[(1, 72437872), (2, 36218936), (4, 18109468), (8, 9054734), (13, 5572144), (16, 4527367), (26, 2786072), (52, 1393036), (104, 696518), (208, 348259)]