78435944

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 149224680

約数和(自身を除く): 70788736

約数列:

[1, 2, 4, 8, 157, 197, 314, 317, 394, 628, 634, 788, 1256, 1268, 1576, 2536, 30929, 49769, 61858, 62449, 99538, 123716, 124898, 199076, 247432, 249796, 398152, 499592, 9804493, 19608986, 39217972, 78435944]

約数ペア:

[(1, 78435944), (2, 39217972), (4, 19608986), (8, 9804493), (157, 499592), (197, 398152), (314, 249796), (317, 247432), (394, 199076), (628, 124898), (634, 123716), (788, 99538), (1256, 62449), (1268, 61858), (1576, 49769), (2536, 30929)]