12931090

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1297}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 23317272

約数和(自身を除く): 10386182

約数列:

[1, 2, 5, 10, 997, 1297, 1994, 2594, 4985, 6485, 9970, 12970, 1293109, 2586218, 6465545, 12931090]

約数ペア:

[(1, 12931090), (2, 6465545), (5, 2586218), (10, 1293109), (997, 12970), (1297, 9970), (1994, 6485), (2594, 4985)]