2009705978

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2021837}}^1$

素因数の和:2021917

約数の個数: 16

約数和(自身を含む): 3493736064

約数和(自身を除く): 1484030086

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 2021837, 4043674, 14152859, 28305718, 143550427, 287100854, 1004852989, 2009705978]

約数ペア:

[(1, 2009705978), (2, 1004852989), (7, 287100854), (14, 143550427), (71, 28305718), (142, 14152859), (497, 4043674), (994, 2021837)]