71881310

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{90989}}^1$

素因数の和:91075

約数の個数: 16

約数和(自身を含む): 131025600

約数和(自身を除く): 59144290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 90989, 181978, 454945, 909890, 7188131, 14376262, 35940655, 71881310]

約数ペア:

[(1, 71881310), (2, 35940655), (5, 14376262), (10, 7188131), (79, 909890), (158, 454945), (395, 181978), (790, 90989)]