918247967

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{997}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 1173648000

約数和(自身を除く): 255400033

約数列:

[1, 7, 13, 29, 91, 203, 349, 377, 997, 2443, 2639, 4537, 6979, 10121, 12961, 28913, 31759, 70847, 90727, 131573, 202391, 347953, 375869, 921011, 2435671, 2631083, 4523389, 10090637, 31663723, 70634459, 131178281, 918247967]

約数ペア:

[(1, 918247967), (7, 131178281), (13, 70634459), (29, 31663723), (91, 10090637), (203, 4523389), (349, 2631083), (377, 2435671), (997, 921011), (2443, 375869), (2639, 347953), (4537, 202391), (6979, 131573), (10121, 90727), (12961, 70847), (28913, 31759)]