66173990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6691}}^1$

素因数の和:6764

約数の個数: 32

約数和(自身を含む): 127201536

約数和(自身を除く): 61027546

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 6691, 9890, 13382, 33455, 66910, 153893, 287713, 307786, 575426, 769465, 1438565, 1538930, 2877130, 6617399, 13234798, 33086995, 66173990]

約数ペア:

[(1, 66173990), (2, 33086995), (5, 13234798), (10, 6617399), (23, 2877130), (43, 1538930), (46, 1438565), (86, 769465), (115, 575426), (215, 307786), (230, 287713), (430, 153893), (989, 66910), (1978, 33455), (4945, 13382), (6691, 9890)]