216223819

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6277}}^1$

素因数の和:6347

約数の個数: 24

約数和(自身を含む): 271962960

約数和(自身を除く): 55739141

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 931, 1813, 4921, 6277, 34447, 43939, 119263, 232249, 307573, 834841, 1625743, 4412731, 5843887, 11380201, 30889117, 216223819]

約数ペア:

[(1, 216223819), (7, 30889117), (19, 11380201), (37, 5843887), (49, 4412731), (133, 1625743), (259, 834841), (703, 307573), (931, 232249), (1813, 119263), (4921, 43939), (6277, 34447)]