2991872015

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{4945243}}^1$

素因数の和:4945270

約数の個数: 12

約数和(自身を含む): 3946304712

約数和(自身を除く): 954432697

約数列:

[1, 5, 11, 55, 121, 605, 4945243, 24726215, 54397673, 271988365, 598374403, 2991872015]

約数ペア:

[(1, 2991872015), (5, 598374403), (11, 271988365), (55, 54397673), (121, 24726215), (605, 4945243)]