319870895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{42283}}^1$

素因数の和:42394

約数の個数: 16

約数和(自身を含む): 411000480

約数和(自身を除く): 91129585

約数列:

[1, 5, 17, 85, 89, 445, 1513, 7565, 42283, 211415, 718811, 3594055, 3763187, 18815935, 63974179, 319870895]

約数ペア:

[(1, 319870895), (5, 63974179), (17, 18815935), (85, 3763187), (89, 3594055), (445, 718811), (1513, 211415), (7565, 42283)]