1278244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 2606800

約数和(自身を除く): 1328556

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 139, 209, 242, 278, 418, 484, 556, 836, 1529, 2299, 2641, 3058, 4598, 5282, 6116, 9196, 10564, 16819, 29051, 33638, 58102, 67276, 116204, 319561, 639122, 1278244]

約数ペア:

[(1, 1278244), (2, 639122), (4, 319561), (11, 116204), (19, 67276), (22, 58102), (38, 33638), (44, 29051), (76, 16819), (121, 10564), (139, 9196), (209, 6116), (242, 5282), (278, 4598), (418, 3058), (484, 2641), (556, 2299), (836, 1529)]