7807870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 16298496

約数和(自身を除く): 8490626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 1571, 2485, 3142, 4970, 7855, 10997, 15710, 21994, 54985, 109970, 111541, 223082, 557705, 780787, 1115410, 1561574, 3903935, 7807870]

約数ペア:

[(1, 7807870), (2, 3903935), (5, 1561574), (7, 1115410), (10, 780787), (14, 557705), (35, 223082), (70, 111541), (71, 109970), (142, 54985), (355, 21994), (497, 15710), (710, 10997), (994, 7855), (1571, 4970), (2485, 3142)]