27821318

素因数分解:

$2^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{907}}^1$

素因数の和:1236

約数の個数: 24

約数和(自身を含む): 48754152

約数和(自身を除く): 20932834

約数列:

[1, 2, 7, 14, 49, 98, 313, 626, 907, 1814, 2191, 4382, 6349, 12698, 15337, 30674, 44443, 88886, 283891, 567782, 1987237, 3974474, 13910659, 27821318]

約数ペア:

[(1, 27821318), (2, 13910659), (7, 3974474), (14, 1987237), (49, 567782), (98, 283891), (313, 88886), (626, 44443), (907, 30674), (1814, 15337), (2191, 12698), (4382, 6349)]