78216985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29023}}^1$

素因数の和:29053

約数の個数: 24

約数和(自身を含む): 119114496

約数和(自身を除く): 40897511

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 29023, 145115, 203161, 319253, 1015805, 1422127, 1596265, 2234771, 7110635, 11173855, 15643397, 78216985]

約数ペア:

[(1, 78216985), (5, 15643397), (7, 11173855), (11, 7110635), (35, 2234771), (49, 1596265), (55, 1422127), (77, 1015805), (245, 319253), (385, 203161), (539, 145115), (2695, 29023)]