81784444

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 167157760

約数和(自身を除く): 85373316

約数列:

[1, 2, 4, 7, 14, 28, 109, 127, 211, 218, 254, 422, 436, 508, 763, 844, 889, 1477, 1526, 1778, 2954, 3052, 3556, 5908, 13843, 22999, 26797, 27686, 45998, 53594, 55372, 91996, 96901, 107188, 160993, 187579, 193802, 321986, 375158, 387604, 643972, 750316, 2920873, 5841746, 11683492, 20446111, 40892222, 81784444]

約数ペア:

[(1, 81784444), (2, 40892222), (4, 20446111), (7, 11683492), (14, 5841746), (28, 2920873), (109, 750316), (127, 643972), (211, 387604), (218, 375158), (254, 321986), (422, 193802), (436, 187579), (508, 160993), (763, 107188), (844, 96901), (889, 91996), (1477, 55372), (1526, 53594), (1778, 45998), (2954, 27686), (3052, 26797), (3556, 22999), (5908, 13843)]