221385816

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{31699}}^1$

素因数の和:31808

約数の個数: 48

約数和(自身を含む): 605787000

約数和(自身を除く): 384401184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 3492, 6984, 31699, 63398, 95097, 126796, 190194, 253592, 285291, 380388, 570582, 760776, 1141164, 2282328, 3074803, 6149606, 9224409, 12299212, 18448818, 24598424, 27673227, 36897636, 55346454, 73795272, 110692908, 221385816]

約数ペア:

[(1, 221385816), (2, 110692908), (3, 73795272), (4, 55346454), (6, 36897636), (8, 27673227), (9, 24598424), (12, 18448818), (18, 12299212), (24, 9224409), (36, 6149606), (72, 3074803), (97, 2282328), (194, 1141164), (291, 760776), (388, 570582), (582, 380388), (776, 285291), (873, 253592), (1164, 190194), (1746, 126796), (2328, 95097), (3492, 63398), (6984, 31699)]