2490664

素因数分解:

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

素因数の和:142

約数の個数: 48

約数和(自身を含む): 5362560

約数和(自身を除く): 2871896

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 83, 88, 121, 124, 166, 242, 248, 332, 341, 484, 664, 682, 913, 968, 1364, 1826, 2573, 2728, 3652, 3751, 5146, 7304, 7502, 10043, 10292, 15004, 20086, 20584, 28303, 30008, 40172, 56606, 80344, 113212, 226424, 311333, 622666, 1245332, 2490664]

約数ペア:

[(1, 2490664), (2, 1245332), (4, 622666), (8, 311333), (11, 226424), (22, 113212), (31, 80344), (44, 56606), (62, 40172), (83, 30008), (88, 28303), (121, 20584), (124, 20086), (166, 15004), (242, 10292), (248, 10043), (332, 7502), (341, 7304), (484, 5146), (664, 3751), (682, 3652), (913, 2728), (968, 2573), (1364, 1826)]