28828639

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 35118720

約数和(自身を除く): 6290081

約数列:

[1, 7, 29, 59, 83, 203, 413, 581, 841, 1711, 2407, 4897, 5887, 11977, 16849, 34279, 49619, 69803, 142013, 347333, 488621, 994091, 4118377, 28828639]

約数ペア:

[(1, 28828639), (7, 4118377), (29, 994091), (59, 488621), (83, 347333), (203, 142013), (413, 69803), (581, 49619), (841, 34279), (1711, 16849), (2407, 11977), (4897, 5887)]