81805528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47123}}^1$

素因数の和:47167

約数の個数: 32

約数和(自身を含む): 180956160

約数和(自身を除く): 99150632

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 47123, 94246, 188492, 329861, 376984, 659722, 1319444, 1460813, 2638888, 2921626, 5843252, 10225691, 11686504, 20451382, 40902764, 81805528]

約数ペア:

[(1, 81805528), (2, 40902764), (4, 20451382), (7, 11686504), (8, 10225691), (14, 5843252), (28, 2921626), (31, 2638888), (56, 1460813), (62, 1319444), (124, 659722), (217, 376984), (248, 329861), (434, 188492), (868, 94246), (1736, 47123)]