81424390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478967}}^1$

素因数の和:478991

約数の個数: 16

約数和(自身を含む): 155185632

約数和(自身を除く): 73761242

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478967, 957934, 2394835, 4789670, 8142439, 16284878, 40712195, 81424390]

約数ペア:

[(1, 81424390), (2, 40712195), (5, 16284878), (10, 8142439), (17, 4789670), (34, 2394835), (85, 957934), (170, 478967)]