81467246

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 145152000

約数和(自身を除く): 63684754

約数列:

[1, 2, 7, 14, 41, 71, 82, 142, 287, 497, 574, 994, 1999, 2911, 3998, 5822, 13993, 20377, 27986, 40754, 81959, 141929, 163918, 283858, 573713, 993503, 1147426, 1987006, 5819089, 11638178, 40733623, 81467246]

約数ペア:

[(1, 81467246), (2, 40733623), (7, 11638178), (14, 5819089), (41, 1987006), (71, 1147426), (82, 993503), (142, 573713), (287, 283858), (497, 163918), (574, 141929), (994, 81959), (1999, 40754), (2911, 27986), (3998, 20377), (5822, 13993)]