81961832

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{144299}}^1$

素因数の和:144376

約数の個数: 16

約数和(自身を含む): 155844000

約数和(自身を除く): 73882168

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 144299, 288598, 577196, 1154392, 10245229, 20490458, 40980916, 81961832]

約数ペア:

[(1, 81961832), (2, 40980916), (4, 20490458), (8, 10245229), (71, 1154392), (142, 577196), (284, 288598), (568, 144299)]