81126948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:793

約数の個数: 72

約数和(自身を含む): 221435424

約数和(自身を除く): 140308476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 281, 294, 491, 562, 588, 843, 982, 1124, 1473, 1686, 1964, 1967, 2946, 3372, 3437, 3934, 5892, 5901, 6874, 7868, 10311, 11802, 13748, 13769, 20622, 23604, 24059, 27538, 41244, 41307, 48118, 55076, 72177, 82614, 96236, 137971, 144354, 165228, 275942, 288708, 413913, 551884, 827826, 965797, 1655652, 1931594, 2897391, 3863188, 5794782, 6760579, 11589564, 13521158, 20281737, 27042316, 40563474, 81126948]

約数ペア:

[(1, 81126948), (2, 40563474), (3, 27042316), (4, 20281737), (6, 13521158), (7, 11589564), (12, 6760579), (14, 5794782), (21, 3863188), (28, 2897391), (42, 1931594), (49, 1655652), (84, 965797), (98, 827826), (147, 551884), (196, 413913), (281, 288708), (294, 275942), (491, 165228), (562, 144354), (588, 137971), (843, 96236), (982, 82614), (1124, 72177), (1473, 55076), (1686, 48118), (1964, 41307), (1967, 41244), (2946, 27538), (3372, 24059), (3437, 23604), (3934, 20622), (5892, 13769), (5901, 13748), (6874, 11802), (7868, 10311)]