215475265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{17597}}^1$

素因数の和:17712

約数の個数: 16

約数和(自身を含む): 270305280

約数和(自身を除く): 54830015

約数列:

[1, 5, 31, 79, 155, 395, 2449, 12245, 17597, 87985, 545507, 1390163, 2727535, 6950815, 43095053, 215475265]

約数ペア:

[(1, 215475265), (5, 43095053), (31, 6950815), (79, 2727535), (155, 1390163), (395, 545507), (2449, 87985), (12245, 17597)]