997334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 16

約数和(自身を含む): 1632960

約数和(自身を除く): 635626

約数列:

[1, 2, 13, 26, 89, 178, 431, 862, 1157, 2314, 5603, 11206, 38359, 76718, 498667, 997334]

約数ペア:

[(1, 997334), (2, 498667), (13, 76718), (26, 38359), (89, 11206), (178, 5603), (431, 2314), (862, 1157)]