2011805719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 2656982016

約数和(自身を除く): 645176297

約数列:

[1, 7, 11, 29, 47, 77, 203, 319, 329, 517, 661, 841, 1363, 2233, 3619, 4627, 5887, 7271, 9251, 9541, 14993, 19169, 31067, 39527, 50897, 64757, 104951, 134183, 210859, 217469, 276689, 341737, 434797, 555901, 900943, 1476013, 2392159, 3043579, 3891307, 6114911, 6306601, 9910373, 26127347, 42804377, 69372611, 182891429, 287400817, 2011805719]

約数ペア:

[(1, 2011805719), (7, 287400817), (11, 182891429), (29, 69372611), (47, 42804377), (77, 26127347), (203, 9910373), (319, 6306601), (329, 6114911), (517, 3891307), (661, 3043579), (841, 2392159), (1363, 1476013), (2233, 900943), (3619, 555901), (4627, 434797), (5887, 341737), (7271, 276689), (9251, 217469), (9541, 210859), (14993, 134183), (19169, 104951), (31067, 64757), (39527, 50897)]