66820439

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{773}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 78242112

約数和(自身を除く): 11421673

約数列:

[1, 7, 53, 233, 371, 773, 1631, 5411, 12349, 40969, 86443, 180109, 286783, 1260763, 9545777, 66820439]

約数ペア:

[(1, 66820439), (7, 9545777), (53, 1260763), (233, 286783), (371, 180109), (773, 86443), (1631, 40969), (5411, 12349)]