31520918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 24362602

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 307, 359, 614, 718, 3377, 3949, 3991, 4667, 6754, 7898, 7982, 9334, 43901, 51337, 87802, 102674, 110213, 220426, 1212343, 1432769, 2424686, 2865538, 15760459, 31520918]

約数ペア:

[(1, 31520918), (2, 15760459), (11, 2865538), (13, 2424686), (22, 1432769), (26, 1212343), (143, 220426), (286, 110213), (307, 102674), (359, 87802), (614, 51337), (718, 43901), (3377, 9334), (3949, 7982), (3991, 7898), (4667, 6754)]