90321644

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 190041600

約数和(自身を除く): 99719956

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 322, 556, 644, 973, 1009, 1946, 2018, 3197, 3892, 4036, 6394, 7063, 12788, 14126, 22379, 23207, 28252, 44758, 46414, 89516, 92828, 140251, 162449, 280502, 324898, 561004, 649796, 981757, 1963514, 3225773, 3927028, 6451546, 12903092, 22580411, 45160822, 90321644]

約数ペア:

[(1, 90321644), (2, 45160822), (4, 22580411), (7, 12903092), (14, 6451546), (23, 3927028), (28, 3225773), (46, 1963514), (92, 981757), (139, 649796), (161, 561004), (278, 324898), (322, 280502), (556, 162449), (644, 140251), (973, 92828), (1009, 89516), (1946, 46414), (2018, 44758), (3197, 28252), (3892, 23207), (4036, 22379), (6394, 14126), (7063, 12788)]