203218015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2192

約数の個数: 64

約数和(自身を含む): 344816640

約数和(自身を除く): 141598625

約数列:

[1, 5, 7, 11, 13, 19, 35, 55, 65, 77, 91, 95, 133, 143, 209, 247, 385, 455, 665, 715, 1001, 1045, 1235, 1463, 1729, 2137, 2717, 5005, 7315, 8645, 10685, 13585, 14959, 19019, 23507, 27781, 40603, 74795, 95095, 117535, 138905, 164549, 194467, 203015, 284221, 305591, 446633, 527839, 822745, 972335, 1421105, 1527955, 2139137, 2233165, 2639195, 3126431, 3694873, 5806229, 10695685, 15632155, 18474365, 29031145, 40643603, 203218015]

約数ペア:

[(1, 203218015), (5, 40643603), (7, 29031145), (11, 18474365), (13, 15632155), (19, 10695685), (35, 5806229), (55, 3694873), (65, 3126431), (77, 2639195), (91, 2233165), (95, 2139137), (133, 1527955), (143, 1421105), (209, 972335), (247, 822745), (385, 527839), (455, 446633), (665, 305591), (715, 284221), (1001, 203015), (1045, 194467), (1235, 164549), (1463, 138905), (1729, 117535), (2137, 95095), (2717, 74795), (5005, 40603), (7315, 27781), (8645, 23507), (10685, 19019), (13585, 14959)]