28011907

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15817}}^1$

素因数の和:15858

約数の個数: 16

約数和(自身を含む): 36444672

約数和(自身を除く): 8432765

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 15817, 110719, 173987, 363791, 1217909, 2546537, 4001701, 28011907]

約数ペア:

[(1, 28011907), (7, 4001701), (11, 2546537), (23, 1217909), (77, 363791), (161, 173987), (253, 110719), (1771, 15817)]