28971768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 83185920

約数和(自身を除く): 54214152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 521, 662, 993, 1042, 1324, 1563, 1986, 2084, 2317, 2648, 3126, 3647, 3972, 4168, 4634, 6252, 6951, 7294, 7944, 9268, 10941, 12504, 13902, 14588, 18536, 21882, 27804, 29176, 43764, 55608, 87528, 172451, 344902, 517353, 689804, 1034706, 1207157, 1379608, 2069412, 2414314, 3621471, 4138824, 4828628, 7242942, 9657256, 14485884, 28971768]

約数ペア:

[(1, 28971768), (2, 14485884), (3, 9657256), (4, 7242942), (6, 4828628), (7, 4138824), (8, 3621471), (12, 2414314), (14, 2069412), (21, 1379608), (24, 1207157), (28, 1034706), (42, 689804), (56, 517353), (84, 344902), (168, 172451), (331, 87528), (521, 55608), (662, 43764), (993, 29176), (1042, 27804), (1324, 21882), (1563, 18536), (1986, 14588), (2084, 13902), (2317, 12504), (2648, 10941), (3126, 9268), (3647, 7944), (3972, 7294), (4168, 6951), (4634, 6252)]