217278313

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1\times {\mathrm{1019}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 252241920

約数和(自身を除く): 34963607

約数列:

[1, 7, 83, 367, 581, 1019, 2569, 7133, 30461, 84577, 213227, 373973, 592039, 2617811, 31039759, 217278313]

約数ペア:

[(1, 217278313), (7, 31039759), (83, 2617811), (367, 592039), (581, 373973), (1019, 213227), (2569, 84577), (7133, 30461)]