209118924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1663}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 605696000

約数和(自身を除く): 396577076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 499, 998, 1497, 1663, 1996, 2994, 3326, 3493, 4491, 4989, 5988, 6652, 6986, 8982, 9978, 10479, 11641, 13972, 14967, 17964, 19956, 20958, 23282, 29934, 31437, 34923, 41916, 46564, 59868, 62874, 69846, 104769, 125748, 139692, 209538, 419076, 829837, 1659674, 2489511, 3319348, 4979022, 5808859, 7468533, 9958044, 11617718, 14937066, 17426577, 23235436, 29874132, 34853154, 52279731, 69706308, 104559462, 209118924]

約数ペア:

[(1, 209118924), (2, 104559462), (3, 69706308), (4, 52279731), (6, 34853154), (7, 29874132), (9, 23235436), (12, 17426577), (14, 14937066), (18, 11617718), (21, 9958044), (28, 7468533), (36, 5808859), (42, 4979022), (63, 3319348), (84, 2489511), (126, 1659674), (252, 829837), (499, 419076), (998, 209538), (1497, 139692), (1663, 125748), (1996, 104769), (2994, 69846), (3326, 62874), (3493, 59868), (4491, 46564), (4989, 41916), (5988, 34923), (6652, 31437), (6986, 29934), (8982, 23282), (9978, 20958), (10479, 19956), (11641, 17964), (13972, 14967)]