28759796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{553073}}^1$

素因数の和:553090

約数の個数: 12

約数和(自身を含む): 54201252

約数和(自身を除く): 25441456

約数列:

[1, 2, 4, 13, 26, 52, 553073, 1106146, 2212292, 7189949, 14379898, 28759796]

約数ペア:

[(1, 28759796), (2, 14379898), (4, 7189949), (13, 2212292), (26, 1106146), (52, 553073)]