25798143

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 43013376

約数和(自身を除く): 17215233

約数列:

[1, 3, 7, 19, 21, 41, 57, 83, 123, 133, 249, 287, 361, 399, 581, 779, 861, 1083, 1577, 1743, 2337, 2527, 3403, 4731, 5453, 7581, 10209, 11039, 14801, 16359, 23821, 29963, 33117, 44403, 64657, 71463, 89889, 103607, 193971, 209741, 310821, 452599, 629223, 1228483, 1357797, 3685449, 8599381, 25798143]

約数ペア:

[(1, 25798143), (3, 8599381), (7, 3685449), (19, 1357797), (21, 1228483), (41, 629223), (57, 452599), (83, 310821), (123, 209741), (133, 193971), (249, 103607), (287, 89889), (361, 71463), (399, 64657), (581, 44403), (779, 33117), (861, 29963), (1083, 23821), (1577, 16359), (1743, 14801), (2337, 11039), (2527, 10209), (3403, 7581), (4731, 5453)]