215845538

素因数分解:

$2^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 24

約数和(自身を含む): 333776640

約数和(自身を除く): 117931102

約数列:

[1, 2, 71, 79, 142, 158, 271, 542, 5041, 5609, 10082, 11218, 19241, 21409, 38482, 42818, 398239, 796478, 1366111, 1520039, 2732222, 3040078, 107922769, 215845538]

約数ペア:

[(1, 215845538), (2, 107922769), (71, 3040078), (79, 2732222), (142, 1520039), (158, 1366111), (271, 796478), (542, 398239), (5041, 42818), (5609, 38482), (10082, 21409), (11218, 19241)]