13320028085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{680809}}^1$

素因数の和:680877

約数の個数: 32

約数和(自身を含む): 20130190080

約数和(自身を除く): 6810161995

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2795, 3913, 19565, 680809, 3404045, 4765663, 8850517, 23828315, 29274787, 44252585, 61953619, 146373935, 204923509, 309768095, 380572231, 1024617545, 1902861155, 2664005617, 13320028085]

約数ペア:

[(1, 13320028085), (5, 2664005617), (7, 1902861155), (13, 1024617545), (35, 380572231), (43, 309768095), (65, 204923509), (91, 146373935), (215, 61953619), (301, 44252585), (455, 29274787), (559, 23828315), (1505, 8850517), (2795, 4765663), (3913, 3404045), (19565, 680809)]