1981010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 3877632

約数和(自身を除く): 1896622

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 271, 430, 542, 731, 1355, 1462, 2710, 3655, 4607, 7310, 9214, 11653, 23035, 23306, 46070, 58265, 116530, 198101, 396202, 990505, 1981010]

約数ペア:

[(1, 1981010), (2, 990505), (5, 396202), (10, 198101), (17, 116530), (34, 58265), (43, 46070), (85, 23306), (86, 23035), (170, 11653), (215, 9214), (271, 7310), (430, 4607), (542, 3655), (731, 2710), (1355, 1462)]