3990413

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 4990464

約数和(自身を除く): 1000051

約数列:

[1, 7, 31, 37, 49, 71, 217, 259, 497, 1147, 1519, 1813, 2201, 2627, 3479, 8029, 15407, 18389, 56203, 81437, 107849, 128723, 570059, 3990413]

約数ペア:

[(1, 3990413), (7, 570059), (31, 128723), (37, 107849), (49, 81437), (71, 56203), (217, 18389), (259, 15407), (497, 8029), (1147, 3479), (1519, 2627), (1813, 2201)]