66678731

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 77337600

約数和(自身を除く): 10658869

約数列:

[1, 7, 151, 199, 317, 1057, 1393, 2219, 30049, 47867, 63083, 210343, 335069, 441581, 9525533, 66678731]

約数ペア:

[(1, 66678731), (7, 9525533), (151, 441581), (199, 335069), (317, 210343), (1057, 63083), (1393, 47867), (2219, 30049)]