28232813

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 33700224

約数和(自身を除く): 5467411

約数列:

[1, 7, 37, 61, 259, 427, 1787, 2257, 12509, 15799, 66119, 109007, 462833, 763049, 4033259, 28232813]

約数ペア:

[(1, 28232813), (7, 4033259), (37, 763049), (61, 462833), (259, 109007), (427, 66119), (1787, 15799), (2257, 12509)]