12990042

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 31039008

約数和(自身を除く): 18048966

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1291, 1677, 2582, 3354, 3873, 5031, 7746, 10062, 11619, 16783, 23238, 33566, 50349, 55513, 100698, 111026, 151047, 166539, 302094, 333078, 499617, 721669, 999234, 1443338, 2165007, 4330014, 6495021, 12990042]

約数ペア:

[(1, 12990042), (2, 6495021), (3, 4330014), (6, 2165007), (9, 1443338), (13, 999234), (18, 721669), (26, 499617), (39, 333078), (43, 302094), (78, 166539), (86, 151047), (117, 111026), (129, 100698), (234, 55513), (258, 50349), (387, 33566), (559, 23238), (774, 16783), (1118, 11619), (1291, 10062), (1677, 7746), (2582, 5031), (3354, 3873)]