639341792

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1051549}}^1$

素因数の和:1051578

約数の個数: 24

約数和(自身を含む): 1324953000

約数和(自身を除く): 685611208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1051549, 2103098, 4206196, 8412392, 16824784, 19979431, 33649568, 39958862, 79917724, 159835448, 319670896, 639341792]

約数ペア:

[(1, 639341792), (2, 319670896), (4, 159835448), (8, 79917724), (16, 39958862), (19, 33649568), (32, 19979431), (38, 16824784), (76, 8412392), (152, 4206196), (304, 2103098), (608, 1051549)]