81639056

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{33791}}^1$

素因数の和:33950

約数の個数: 20

約数和(自身を含む): 159227904

約数和(自身を除く): 77588848

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 33791, 67582, 135164, 270328, 540656, 5102441, 10204882, 20409764, 40819528, 81639056]

約数ペア:

[(1, 81639056), (2, 40819528), (4, 20409764), (8, 10204882), (16, 5102441), (151, 540656), (302, 270328), (604, 135164), (1208, 67582), (2416, 33791)]