2017404515

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97861}}^1$

素因数の和:97923

約数の個数: 32

約数和(自身を含む): 3006320640

約数和(自身を除く): 988916125

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615, 97861, 489305, 685027, 1859359, 3033691, 3425135, 9296795, 13015513, 15168455, 21235837, 57640129, 65077565, 106179185, 288200645, 403480903, 2017404515]

約数ペア:

[(1, 2017404515), (5, 403480903), (7, 288200645), (19, 106179185), (31, 65077565), (35, 57640129), (95, 21235837), (133, 15168455), (155, 13015513), (217, 9296795), (589, 3425135), (665, 3033691), (1085, 1859359), (2945, 685027), (4123, 489305), (20615, 97861)]