68664207824

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{91308787}}^1$

素因数の和:91308842

約数の個数: 20

約数和(自身を含む): 135867476544

約数和(自身を除く): 67203268720

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 91308787, 182617574, 365235148, 730470296, 1460940592, 4291512989, 8583025978, 17166051956, 34332103912, 68664207824]

約数ペア:

[(1, 68664207824), (2, 34332103912), (4, 17166051956), (8, 8583025978), (16, 4291512989), (47, 1460940592), (94, 730470296), (188, 365235148), (376, 182617574), (752, 91308787)]