181003214

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{20107}}^1$

素因数の和:20759

約数の個数: 16

約数和(自身を含む): 310789248

約数和(自身を除く): 129786034

約数列:

[1, 2, 7, 14, 643, 1286, 4501, 9002, 20107, 40214, 140749, 281498, 12928801, 25857602, 90501607, 181003214]

約数ペア:

[(1, 181003214), (2, 90501607), (7, 25857602), (14, 12928801), (643, 281498), (1286, 140749), (4501, 40214), (9002, 20107)]