156721914485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1\times {\mathrm{20899}}^1$

素因数の和:21525

約数の個数: 32

約数和(自身を含む): 199486320000

約数和(自身を除く): 42764405515

約数列:

[1, 5, 19, 95, 193, 409, 965, 2045, 3667, 7771, 18335, 20899, 38855, 78937, 104495, 394685, 397081, 1499803, 1985405, 4033507, 7499015, 8547691, 20167535, 42738455, 76636633, 162406129, 383183165, 812030645, 1649704363, 8248521815, 31344382897, 156721914485]

約数ペア:

[(1, 156721914485), (5, 31344382897), (19, 8248521815), (95, 1649704363), (193, 812030645), (409, 383183165), (965, 162406129), (2045, 76636633), (3667, 42738455), (7771, 20167535), (18335, 8547691), (20899, 7499015), (38855, 4033507), (78937, 1985405), (104495, 1499803), (394685, 397081)]