28942991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10159}}^1$

素因数の和:10214

約数の個数: 16

約数和(自身を含む): 37063680

約数和(自身を除く): 8120689

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 10159, 71113, 111749, 375883, 782243, 2631181, 4134713, 28942991]

約数ペア:

[(1, 28942991), (7, 4134713), (11, 2631181), (37, 782243), (77, 375883), (259, 111749), (407, 71113), (2849, 10159)]