71397976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{686519}}^1$

素因数の和:686538

約数の個数: 16

約数和(自身を含む): 144169200

約数和(自身を除く): 72771224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 686519, 1373038, 2746076, 5492152, 8924747, 17849494, 35698988, 71397976]

約数ペア:

[(1, 71397976), (2, 35698988), (4, 17849494), (8, 8924747), (13, 5492152), (26, 2746076), (52, 1373038), (104, 686519)]