28001818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{3463}}^1$

素因数の和:3789

約数の個数: 16

約数和(自身を含む): 45392256

約数和(自身を除く): 17390438

約数列:

[1, 2, 13, 26, 311, 622, 3463, 4043, 6926, 8086, 45019, 90038, 1076993, 2153986, 14000909, 28001818]

約数ペア:

[(1, 28001818), (2, 14000909), (13, 2153986), (26, 1076993), (311, 90038), (622, 45019), (3463, 8086), (4043, 6926)]