39886385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 60079104

約数和(自身を除く): 20192719

約数列:

[1, 5, 7, 11, 35, 55, 77, 211, 385, 491, 1055, 1477, 2321, 2455, 3437, 5401, 7385, 11605, 16247, 17185, 27005, 37807, 81235, 103601, 189035, 518005, 725207, 1139611, 3626035, 5698055, 7977277, 39886385]

約数ペア:

[(1, 39886385), (5, 7977277), (7, 5698055), (11, 3626035), (35, 1139611), (55, 725207), (77, 518005), (211, 189035), (385, 103601), (491, 81235), (1055, 37807), (1477, 27005), (2321, 17185), (2455, 16247), (3437, 11605), (5401, 7385)]