28208528

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{3371}}^1$

素因数の和:3902

約数の個数: 20

約数和(自身を含む): 54774768

約数和(自身を除く): 26566240

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 3371, 4184, 6742, 8368, 13484, 26968, 53936, 1763033, 3526066, 7052132, 14104264, 28208528]

約数ペア:

[(1, 28208528), (2, 14104264), (4, 7052132), (8, 3526066), (16, 1763033), (523, 53936), (1046, 26968), (2092, 13484), (3371, 8368), (4184, 6742)]