31031693

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21211}}^1$

素因数の和:21248

約数の個数: 16

約数和(自身を含む): 40727040

約数和(自身を除く): 9695347

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21211, 148477, 233321, 403009, 1633247, 2821063, 4433099, 31031693]

約数ペア:

[(1, 31031693), (7, 4433099), (11, 2821063), (19, 1633247), (77, 403009), (133, 233321), (209, 148477), (1463, 21211)]