820225746

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{607}}^1\times {\mathrm{1831}}^1$

素因数の和:2487

約数の個数: 48

約数和(自身を含む): 1824496128

約数和(自身を除く): 1004270382

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 607, 738, 1214, 1821, 1831, 3642, 3662, 5463, 5493, 10926, 10986, 16479, 24887, 32958, 49774, 74661, 75071, 149322, 150142, 223983, 225213, 447966, 450426, 675639, 1111417, 1351278, 2222834, 3334251, 6668502, 10002753, 20005506, 45568097, 91136194, 136704291, 273408582, 410112873, 820225746]

約数ペア:

[(1, 820225746), (2, 410112873), (3, 273408582), (6, 136704291), (9, 91136194), (18, 45568097), (41, 20005506), (82, 10002753), (123, 6668502), (246, 3334251), (369, 2222834), (607, 1351278), (738, 1111417), (1214, 675639), (1821, 450426), (1831, 447966), (3642, 225213), (3662, 223983), (5463, 150142), (5493, 149322), (10926, 75071), (10986, 74661), (16479, 49774), (24887, 32958)]