42899815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 63959040

約数和(自身を除く): 21059225

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2081, 2945, 4123, 10405, 14567, 20615, 39539, 64511, 72835, 197695, 276773, 322555, 451577, 1225709, 1383865, 2257885, 6128545, 8579963, 42899815]

約数ペア:

[(1, 42899815), (5, 8579963), (7, 6128545), (19, 2257885), (31, 1383865), (35, 1225709), (95, 451577), (133, 322555), (155, 276773), (217, 197695), (589, 72835), (665, 64511), (1085, 39539), (2081, 20615), (2945, 14567), (4123, 10405)]