39987365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 55296000

約数和(自身を除く): 15308635

約数列:

[1, 5, 11, 31, 47, 55, 155, 235, 341, 499, 517, 1457, 1705, 2495, 2585, 5489, 7285, 15469, 16027, 23453, 27445, 77345, 80135, 117265, 170159, 257983, 727043, 850795, 1289915, 3635215, 7997473, 39987365]

約数ペア:

[(1, 39987365), (5, 7997473), (11, 3635215), (31, 1289915), (47, 850795), (55, 727043), (155, 257983), (235, 170159), (341, 117265), (499, 80135), (517, 77345), (1457, 27445), (1705, 23453), (2495, 16027), (2585, 15469), (5489, 7285)]