828718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 16

約数和(自身を含む): 1370880

約数和(自身を除く): 542162

約数列:

[1, 2, 11, 22, 139, 271, 278, 542, 1529, 2981, 3058, 5962, 37669, 75338, 414359, 828718]

約数ペア:

[(1, 828718), (2, 414359), (11, 75338), (22, 37669), (139, 5962), (271, 3058), (278, 2981), (542, 1529)]