640184163

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{12113}}^1$

素因数の和:12418

約数の個数: 16

約数和(自身を含む): 868331520

約数和(自身を除く): 228147357

約数列:

[1, 3, 79, 223, 237, 669, 12113, 17617, 36339, 52851, 956927, 2701199, 2870781, 8103597, 213394721, 640184163]

約数ペア:

[(1, 640184163), (3, 213394721), (79, 8103597), (223, 2870781), (237, 2701199), (669, 956927), (12113, 52851), (17617, 36339)]