81239056

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{17569}}^1$

素因数の和:17611

約数の個数: 30

約数和(自身を含む): 167213690

約数和(自身を除く): 85974634

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 17569, 35138, 70276, 140552, 281104, 298673, 597346, 1194692, 2389384, 4778768, 5077441, 10154882, 20309764, 40619528, 81239056]

約数ペア:

[(1, 81239056), (2, 40619528), (4, 20309764), (8, 10154882), (16, 5077441), (17, 4778768), (34, 2389384), (68, 1194692), (136, 597346), (272, 298673), (289, 281104), (578, 140552), (1156, 70276), (2312, 35138), (4624, 17569)]