81340084

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47623}}^1$

素因数の和:47695

約数の個数: 24

約数和(自身を含む): 165350528

約数和(自身を除く): 84010444

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 47623, 95246, 190492, 333361, 666722, 1333444, 2905003, 5810006, 11620012, 20335021, 40670042, 81340084]

約数ペア:

[(1, 81340084), (2, 40670042), (4, 20335021), (7, 11620012), (14, 5810006), (28, 2905003), (61, 1333444), (122, 666722), (244, 333361), (427, 190492), (854, 95246), (1708, 47623)]