81520546

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 130444272

約数和(自身を除く): 48923726

約数列:

[1, 2, 37, 41, 74, 82, 97, 194, 277, 554, 1517, 3034, 3589, 3977, 7178, 7954, 10249, 11357, 20498, 22714, 26869, 53738, 147149, 294298, 420209, 840418, 994153, 1101629, 1988306, 2203258, 40760273, 81520546]

約数ペア:

[(1, 81520546), (2, 40760273), (37, 2203258), (41, 1988306), (74, 1101629), (82, 994153), (97, 840418), (194, 420209), (277, 294298), (554, 147149), (1517, 53738), (3034, 26869), (3589, 22714), (3977, 20498), (7178, 11357), (7954, 10249)]