81828016

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 163742000

約数和(自身を除く): 81913984

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 277, 296, 499, 554, 592, 998, 1108, 1996, 2216, 3992, 4432, 7984, 10249, 18463, 20498, 36926, 40996, 73852, 81992, 138223, 147704, 163984, 276446, 295408, 552892, 1105784, 2211568, 5114251, 10228502, 20457004, 40914008, 81828016]

約数ペア:

[(1, 81828016), (2, 40914008), (4, 20457004), (8, 10228502), (16, 5114251), (37, 2211568), (74, 1105784), (148, 552892), (277, 295408), (296, 276446), (499, 163984), (554, 147704), (592, 138223), (998, 81992), (1108, 73852), (1996, 40996), (2216, 36926), (3992, 20498), (4432, 18463), (7984, 10249)]