8199156721

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{3659}}^1$

素因数の和:3866

約数の個数: 32

約数和(自身を含む): 9838080000

約数和(自身を除く): 1638923279

約数列:

[1, 7, 47, 49, 139, 329, 343, 973, 2303, 3659, 6533, 6811, 16121, 25613, 45731, 47677, 171973, 179291, 320117, 508601, 1203811, 1255037, 2240819, 3560207, 8426677, 23904247, 24921449, 58986739, 167329729, 174450143, 1171308103, 8199156721]

約数ペア:

[(1, 8199156721), (7, 1171308103), (47, 174450143), (49, 167329729), (139, 58986739), (329, 24921449), (343, 23904247), (973, 8426677), (2303, 3560207), (3659, 2240819), (6533, 1255037), (6811, 1203811), (16121, 508601), (25613, 320117), (45731, 179291), (47677, 171973)]