345415

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 483840

約数和(自身を除く): 138425

約数列:

[1, 5, 7, 35, 71, 139, 355, 497, 695, 973, 2485, 4865, 9869, 49345, 69083, 345415]

約数ペア:

[(1, 345415), (5, 69083), (7, 49345), (35, 9869), (71, 4865), (139, 2485), (355, 973), (497, 695)]