28443142

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 57697920

約数和(自身を除く): 29254778

約数列:

[1, 2, 7, 13, 14, 17, 26, 29, 34, 58, 91, 119, 182, 203, 221, 238, 317, 377, 406, 442, 493, 634, 754, 986, 1547, 2219, 2639, 3094, 3451, 4121, 4438, 5278, 5389, 6409, 6902, 8242, 9193, 10778, 12818, 18386, 28847, 37723, 44863, 57694, 64351, 70057, 75446, 89726, 119509, 128702, 140114, 156281, 239018, 312562, 490399, 836563, 980798, 1093967, 1673126, 2031653, 2187934, 4063306, 14221571, 28443142]

約数ペア:

[(1, 28443142), (2, 14221571), (7, 4063306), (13, 2187934), (14, 2031653), (17, 1673126), (26, 1093967), (29, 980798), (34, 836563), (58, 490399), (91, 312562), (119, 239018), (182, 156281), (203, 140114), (221, 128702), (238, 119509), (317, 89726), (377, 75446), (406, 70057), (442, 64351), (493, 57694), (634, 44863), (754, 37723), (986, 28847), (1547, 18386), (2219, 12818), (2639, 10778), (3094, 9193), (3451, 8242), (4121, 6902), (4438, 6409), (5278, 5389)]