1390972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 2690352

約数和(自身を除く): 1299380

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 313, 404, 626, 1111, 1252, 2222, 3443, 4444, 6886, 13772, 31613, 63226, 126452, 347743, 695486, 1390972]

約数ペア:

[(1, 1390972), (2, 695486), (4, 347743), (11, 126452), (22, 63226), (44, 31613), (101, 13772), (202, 6886), (313, 4444), (404, 3443), (626, 2222), (1111, 1252)]