1808708

素因数分解:

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

素因数の和:164

約数の個数: 36

約数和(自身を含む): 3608556

約数和(自身を除く): 1799848

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 101, 121, 148, 202, 242, 404, 407, 484, 814, 1111, 1628, 2222, 3737, 4444, 4477, 7474, 8954, 12221, 14948, 17908, 24442, 41107, 48884, 82214, 164428, 452177, 904354, 1808708]

約数ペア:

[(1, 1808708), (2, 904354), (4, 452177), (11, 164428), (22, 82214), (37, 48884), (44, 41107), (74, 24442), (101, 17908), (121, 14948), (148, 12221), (202, 8954), (242, 7474), (404, 4477), (407, 4444), (484, 3737), (814, 2222), (1111, 1628)]