81421998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{6899}}^1$

素因数の和:7192

約数の個数: 32

約数和(自身を含む): 186796800

約数和(自身を除く): 105374802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 281, 562, 843, 1686, 1967, 3934, 5901, 6899, 11802, 13798, 20697, 41394, 48293, 96586, 144879, 289758, 1938619, 3877238, 5815857, 11631714, 13570333, 27140666, 40710999, 81421998]

約数ペア:

[(1, 81421998), (2, 40710999), (3, 27140666), (6, 13570333), (7, 11631714), (14, 5815857), (21, 3877238), (42, 1938619), (281, 289758), (562, 144879), (843, 96586), (1686, 48293), (1967, 41394), (3934, 20697), (5901, 13798), (6899, 11802)]