81349428

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{51749}}^1$

素因数の和:51887

約数の個数: 24

約数和(自身を含む): 191268000

約数和(自身を除く): 109918572

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 51749, 103498, 155247, 206996, 310494, 620988, 6779119, 13558238, 20337357, 27116476, 40674714, 81349428]

約数ペア:

[(1, 81349428), (2, 40674714), (3, 27116476), (4, 20337357), (6, 13558238), (12, 6779119), (131, 620988), (262, 310494), (393, 206996), (524, 155247), (786, 103498), (1572, 51749)]