211508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 36

約数和(自身を含む): 446880

約数和(自身を除く): 235372

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 121, 209, 242, 253, 418, 437, 484, 506, 836, 874, 1012, 1748, 2299, 2783, 4598, 4807, 5566, 9196, 9614, 11132, 19228, 52877, 105754, 211508]

約数ペア:

[(1, 211508), (2, 105754), (4, 52877), (11, 19228), (19, 11132), (22, 9614), (23, 9196), (38, 5566), (44, 4807), (46, 4598), (76, 2783), (92, 2299), (121, 1748), (209, 1012), (242, 874), (253, 836), (418, 506), (437, 484)]