81286216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 92896184

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 83, 88, 124, 166, 248, 332, 341, 359, 664, 682, 718, 913, 1364, 1436, 1826, 2573, 2728, 2872, 3652, 3949, 5146, 7304, 7898, 10292, 11129, 15796, 20584, 22258, 28303, 29797, 31592, 44516, 56606, 59594, 89032, 113212, 119188, 122419, 226424, 238376, 244838, 327767, 489676, 655534, 923707, 979352, 1311068, 1847414, 2622136, 3694828, 7389656, 10160777, 20321554, 40643108, 81286216]

約数ペア:

[(1, 81286216), (2, 40643108), (4, 20321554), (8, 10160777), (11, 7389656), (22, 3694828), (31, 2622136), (44, 1847414), (62, 1311068), (83, 979352), (88, 923707), (124, 655534), (166, 489676), (248, 327767), (332, 244838), (341, 238376), (359, 226424), (664, 122419), (682, 119188), (718, 113212), (913, 89032), (1364, 59594), (1436, 56606), (1826, 44516), (2573, 31592), (2728, 29797), (2872, 28303), (3652, 22258), (3949, 20584), (5146, 15796), (7304, 11129), (7898, 10292)]