81649808

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{193}}^2$

素因数の和:531

約数の個数: 30

約数和(自身を含む): 160181154

約数和(自身を除く): 78531346

約数列:

[1, 2, 4, 8, 16, 137, 193, 274, 386, 548, 772, 1096, 1544, 2192, 3088, 26441, 37249, 52882, 74498, 105764, 148996, 211528, 297992, 423056, 595984, 5103113, 10206226, 20412452, 40824904, 81649808]

約数ペア:

[(1, 81649808), (2, 40824904), (4, 20412452), (8, 10206226), (16, 5103113), (137, 595984), (193, 423056), (274, 297992), (386, 211528), (548, 148996), (772, 105764), (1096, 74498), (1544, 52882), (2192, 37249), (3088, 26441)]