208878876

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^2\times {\mathrm{1151}}^1$

素因数の和:1303

約数の個数: 54

約数和(自身を含む): 536006016

約数和(自身を除く): 327127140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1151, 1278, 2302, 2556, 3453, 4604, 5041, 6906, 10082, 10359, 13812, 15123, 20164, 20718, 30246, 41436, 45369, 60492, 81721, 90738, 163442, 181476, 245163, 326884, 490326, 735489, 980652, 1470978, 2941956, 5802191, 11604382, 17406573, 23208764, 34813146, 52219719, 69626292, 104439438, 208878876]

約数ペア:

[(1, 208878876), (2, 104439438), (3, 69626292), (4, 52219719), (6, 34813146), (9, 23208764), (12, 17406573), (18, 11604382), (36, 5802191), (71, 2941956), (142, 1470978), (213, 980652), (284, 735489), (426, 490326), (639, 326884), (852, 245163), (1151, 181476), (1278, 163442), (2302, 90738), (2556, 81721), (3453, 60492), (4604, 45369), (5041, 41436), (6906, 30246), (10082, 20718), (10359, 20164), (13812, 15123)]