128828826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{683}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 328320000

約数和(自身を除く): 199491174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 499, 683, 998, 1366, 1497, 2049, 2994, 3493, 4098, 4491, 4781, 6147, 6986, 8982, 9562, 10479, 12294, 13473, 14343, 18441, 20958, 26946, 28686, 31437, 36882, 43029, 62874, 86058, 94311, 129087, 188622, 258174, 340817, 681634, 1022451, 2044902, 2385719, 3067353, 4771438, 6134706, 7157157, 9202059, 14314314, 18404118, 21471471, 42942942, 64414413, 128828826]

約数ペア:

[(1, 128828826), (2, 64414413), (3, 42942942), (6, 21471471), (7, 18404118), (9, 14314314), (14, 9202059), (18, 7157157), (21, 6134706), (27, 4771438), (42, 3067353), (54, 2385719), (63, 2044902), (126, 1022451), (189, 681634), (378, 340817), (499, 258174), (683, 188622), (998, 129087), (1366, 94311), (1497, 86058), (2049, 62874), (2994, 43029), (3493, 36882), (4098, 31437), (4491, 28686), (4781, 26946), (6147, 20958), (6986, 18441), (8982, 14343), (9562, 13473), (10479, 12294)]