215529904

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{20441}}^1$

素因数の和:21108

約数の個数: 20

約数和(自身を含む): 418243320

約数和(自身を除く): 202713416

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 20441, 40882, 81764, 163528, 327056, 13470619, 26941238, 53882476, 107764952, 215529904]

約数ペア:

[(1, 215529904), (2, 107764952), (4, 53882476), (8, 26941238), (16, 13470619), (659, 327056), (1318, 163528), (2636, 81764), (5272, 40882), (10544, 20441)]