72390448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{348031}}^1$

素因数の和:348052

約数の個数: 20

約数和(自身を含む): 151045888

約数和(自身を除く): 78655440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 348031, 696062, 1392124, 2784248, 4524403, 5568496, 9048806, 18097612, 36195224, 72390448]

約数ペア:

[(1, 72390448), (2, 36195224), (4, 18097612), (8, 9048806), (13, 5568496), (16, 4524403), (26, 2784248), (52, 1392124), (104, 696062), (208, 348031)]