161231944

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{69737}}^1$

素因数の和:69777

約数の個数: 24

約数和(自身を含む): 321143490

約数和(自身を除く): 159911546

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 69737, 139474, 278948, 557896, 1185529, 2371058, 4742116, 9484232, 20153993, 40307986, 80615972, 161231944]

約数ペア:

[(1, 161231944), (2, 80615972), (4, 40307986), (8, 20153993), (17, 9484232), (34, 4742116), (68, 2371058), (136, 1185529), (289, 557896), (578, 278948), (1156, 139474), (2312, 69737)]