81788749

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1549}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 98704000

約数和(自身を除く): 16915251

約数列:

[1, 7, 19, 133, 397, 1549, 2779, 7543, 10843, 29431, 52801, 206017, 614953, 4304671, 11684107, 81788749]

約数ペア:

[(1, 81788749), (7, 11684107), (19, 4304671), (133, 614953), (397, 206017), (1549, 52801), (2779, 29431), (7543, 10843)]