81910476

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{16369}}^1$

素因数の和:16518

約数の個数: 36

約数和(自身を含む): 208553800

約数和(自身を除く): 126643324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 16369, 32738, 49107, 65476, 98214, 147321, 196428, 294642, 589284, 2275291, 4550582, 6825873, 9101164, 13651746, 20477619, 27303492, 40955238, 81910476]

約数ペア:

[(1, 81910476), (2, 40955238), (3, 27303492), (4, 20477619), (6, 13651746), (9, 9101164), (12, 6825873), (18, 4550582), (36, 2275291), (139, 589284), (278, 294642), (417, 196428), (556, 147321), (834, 98214), (1251, 65476), (1668, 49107), (2502, 32738), (5004, 16369)]