31428872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 60725280

約数和(自身を除く): 29296408

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 344, 422, 433, 844, 866, 1688, 1732, 3464, 9073, 18146, 18619, 36292, 37238, 72584, 74476, 91363, 148952, 182726, 365452, 730904, 3928609, 7857218, 15714436, 31428872]

約数ペア:

[(1, 31428872), (2, 15714436), (4, 7857218), (8, 3928609), (43, 730904), (86, 365452), (172, 182726), (211, 148952), (344, 91363), (422, 74476), (433, 72584), (844, 37238), (866, 36292), (1688, 18619), (1732, 18146), (3464, 9073)]