64613744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{310643}}^1$

素因数の和:310664

約数の個数: 20

約数和(自身を含む): 134819496

約数和(自身を除く): 70205752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 310643, 621286, 1242572, 2485144, 4038359, 4970288, 8076718, 16153436, 32306872, 64613744]

約数ペア:

[(1, 64613744), (2, 32306872), (4, 16153436), (8, 8076718), (13, 4970288), (16, 4038359), (26, 2485144), (52, 1242572), (104, 621286), (208, 310643)]