42690193

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 55838720

約数和(自身を除く): 13148527

約数列:

[1, 7, 13, 31, 37, 91, 217, 259, 403, 409, 481, 1147, 2821, 2863, 3367, 5317, 8029, 12679, 14911, 15133, 37219, 88753, 104377, 105931, 164827, 196729, 469123, 1153789, 1377103, 3283861, 6098599, 42690193]

約数ペア:

[(1, 42690193), (7, 6098599), (13, 3283861), (31, 1377103), (37, 1153789), (91, 469123), (217, 196729), (259, 164827), (403, 105931), (409, 104377), (481, 88753), (1147, 37219), (2821, 15133), (2863, 14911), (3367, 12679), (5317, 8029)]