212015449

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 243855360

約数和(自身を除く): 31839911

約数列:

[1, 17, 23, 47, 83, 139, 391, 799, 1081, 1411, 1909, 2363, 3197, 3901, 6533, 11537, 18377, 32453, 54349, 66317, 89723, 111061, 150259, 196129, 265351, 542239, 1525291, 2554403, 4510967, 9218063, 12471497, 212015449]

約数ペア:

[(1, 212015449), (17, 12471497), (23, 9218063), (47, 4510967), (83, 2554403), (139, 1525291), (391, 542239), (799, 265351), (1081, 196129), (1411, 150259), (1909, 111061), (2363, 89723), (3197, 66317), (3901, 54349), (6533, 32453), (11537, 18377)]