11813215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2957}}^1$

素因数の和:3026

約数の個数: 16

約数和(自身を含む): 15334272

約数和(自身を除く): 3521057

約数列:

[1, 5, 17, 47, 85, 235, 799, 2957, 3995, 14785, 50269, 138979, 251345, 694895, 2362643, 11813215]

約数ペア:

[(1, 11813215), (5, 2362643), (17, 694895), (47, 251345), (85, 138979), (235, 50269), (799, 14785), (2957, 3995)]