128193695

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 180817920

約数和(自身を除く): 52624225

約数列:

[1, 5, 7, 35, 71, 79, 355, 395, 497, 553, 653, 2485, 2765, 3265, 4571, 5609, 22855, 28045, 39263, 46363, 51587, 196315, 231815, 257935, 324541, 361109, 1622705, 1805545, 3662677, 18313385, 25638739, 128193695]

約数ペア:

[(1, 128193695), (5, 25638739), (7, 18313385), (35, 3662677), (71, 1805545), (79, 1622705), (355, 361109), (395, 324541), (497, 257935), (553, 231815), (653, 196315), (2485, 51587), (2765, 46363), (3265, 39263), (4571, 28045), (5609, 22855)]