31957770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81943}}^1$

素因数の和:81966

約数の個数: 32

約数和(自身を含む): 82599552

約数和(自身を除く): 50641782

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81943, 163886, 245829, 409715, 491658, 819430, 1065259, 1229145, 2130518, 2458290, 3195777, 5326295, 6391554, 10652590, 15978885, 31957770]

約数ペア:

[(1, 31957770), (2, 15978885), (3, 10652590), (5, 6391554), (6, 5326295), (10, 3195777), (13, 2458290), (15, 2130518), (26, 1229145), (30, 1065259), (39, 819430), (65, 491658), (78, 409715), (130, 245829), (195, 163886), (390, 81943)]