28920546

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 66680640

約数和(自身を除く): 37760094

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 103, 114, 171, 206, 309, 342, 618, 821, 927, 1642, 1854, 1957, 2463, 3914, 4926, 5871, 7389, 11742, 14778, 15599, 17613, 31198, 35226, 46797, 84563, 93594, 140391, 169126, 253689, 280782, 507378, 761067, 1522134, 1606697, 3213394, 4820091, 9640182, 14460273, 28920546]

約数ペア:

[(1, 28920546), (2, 14460273), (3, 9640182), (6, 4820091), (9, 3213394), (18, 1606697), (19, 1522134), (38, 761067), (57, 507378), (103, 280782), (114, 253689), (171, 169126), (206, 140391), (309, 93594), (342, 84563), (618, 46797), (821, 35226), (927, 31198), (1642, 17613), (1854, 15599), (1957, 14778), (2463, 11742), (3914, 7389), (4926, 5871)]