38680556

素因数分解:

$2^2\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 68656896

約数和(自身を除く): 29976340

約数列:

[1, 2, 4, 191, 197, 257, 382, 394, 514, 764, 788, 1028, 37627, 49087, 50629, 75254, 98174, 101258, 150508, 196348, 202516, 9670139, 19340278, 38680556]

約数ペア:

[(1, 38680556), (2, 19340278), (4, 9670139), (191, 202516), (197, 196348), (257, 150508), (382, 101258), (394, 98174), (514, 75254), (764, 50629), (788, 49087), (1028, 37627)]