28651719

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1613}}^1$

素因数の和:1838

約数の個数: 16

約数和(自身を含む): 39665664

約数和(自身を除く): 11013945

約数列:

[1, 3, 31, 93, 191, 573, 1613, 4839, 5921, 17763, 50003, 150009, 308083, 924249, 9550573, 28651719]

約数ペア:

[(1, 28651719), (3, 9550573), (31, 924249), (93, 308083), (191, 150009), (573, 50003), (1613, 17763), (4839, 5921)]