81490668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20641}}^1$

素因数の和:20702

約数の個数: 48

約数和(自身を含む): 221942784

約数和(自身を除く): 140452116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 20641, 41282, 61923, 82564, 123846, 144487, 247692, 288974, 433461, 577948, 866922, 970127, 1733844, 1940254, 2910381, 3880508, 5820762, 6790889, 11641524, 13581778, 20372667, 27163556, 40745334, 81490668]

約数ペア:

[(1, 81490668), (2, 40745334), (3, 27163556), (4, 20372667), (6, 13581778), (7, 11641524), (12, 6790889), (14, 5820762), (21, 3880508), (28, 2910381), (42, 1940254), (47, 1733844), (84, 970127), (94, 866922), (141, 577948), (188, 433461), (282, 288974), (329, 247692), (564, 144487), (658, 123846), (987, 82564), (1316, 61923), (1974, 41282), (3948, 20641)]