68493328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{225307}}^1$

素因数の和:225334

約数の個数: 20

約数和(自身を含む): 139690960

約数和(自身を除く): 71197632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 225307, 450614, 901228, 1802456, 3604912, 4280833, 8561666, 17123332, 34246664, 68493328]

約数ペア:

[(1, 68493328), (2, 34246664), (4, 17123332), (8, 8561666), (16, 4280833), (19, 3604912), (38, 1802456), (76, 901228), (152, 450614), (304, 225307)]