66945208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40039}}^1$

素因数の和:40075

約数の個数: 32

約数和(自身を含む): 144144000

約数和(自身を除く): 77198792

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 40039, 80078, 160156, 320312, 440429, 760741, 880858, 1521482, 1761716, 3042964, 3523432, 6085928, 8368151, 16736302, 33472604, 66945208]

約数ペア:

[(1, 66945208), (2, 33472604), (4, 16736302), (8, 8368151), (11, 6085928), (19, 3523432), (22, 3042964), (38, 1761716), (44, 1521482), (76, 880858), (88, 760741), (152, 440429), (209, 320312), (418, 160156), (836, 80078), (1672, 40039)]