78428903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1201}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 94621440

約数和(自身を除く): 16192537

約数列:

[1, 7, 19, 133, 491, 1201, 3437, 8407, 9329, 22819, 65303, 159733, 589691, 4127837, 11204129, 78428903]

約数ペア:

[(1, 78428903), (7, 11204129), (19, 4127837), (133, 589691), (491, 159733), (1201, 65303), (3437, 22819), (8407, 9329)]