81288730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478169}}^1$

素因数の和:478193

約数の個数: 16

約数和(自身を含む): 154927080

約数和(自身を除く): 73638350

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478169, 956338, 2390845, 4781690, 8128873, 16257746, 40644365, 81288730]

約数ペア:

[(1, 81288730), (2, 40644365), (5, 16257746), (10, 8128873), (17, 4781690), (34, 2390845), (85, 956338), (170, 478169)]