166080356

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{245681}}^1$

素因数の和:245711

約数の個数: 18

約数和(自身を含む): 314718642

約数和(自身を除く): 148638286

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 245681, 491362, 982724, 3193853, 6387706, 12775412, 41520089, 83040178, 166080356]

約数ペア:

[(1, 166080356), (2, 83040178), (4, 41520089), (13, 12775412), (26, 6387706), (52, 3193853), (169, 982724), (338, 491362), (676, 245681)]