164428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 325584

約数和(自身を除く): 161156

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 101, 148, 202, 404, 407, 814, 1111, 1628, 2222, 3737, 4444, 7474, 14948, 41107, 82214, 164428]

約数ペア:

[(1, 164428), (2, 82214), (4, 41107), (11, 14948), (22, 7474), (37, 4444), (44, 3737), (74, 2222), (101, 1628), (148, 1111), (202, 814), (404, 407)]