39972716

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20107}}^1$

素因数の和:20189

約数の個数: 24

約数和(自身を含む): 81075456

約数和(自身を除く): 41102740

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 20107, 40214, 80428, 140749, 281498, 562996, 1427597, 2855194, 5710388, 9993179, 19986358, 39972716]

約数ペア:

[(1, 39972716), (2, 19986358), (4, 9993179), (7, 5710388), (14, 2855194), (28, 1427597), (71, 562996), (142, 281498), (284, 140749), (497, 80428), (994, 40214), (1988, 20107)]