42890778

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{6947}}^1$

素因数の和:6976

約数の個数: 48

約数和(自身を含む): 108388800

約数和(自身を除く): 65498022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 6947, 13894, 20841, 41682, 48629, 62523, 97258, 125046, 145887, 291774, 340403, 437661, 680806, 875322, 1021209, 2042418, 2382821, 3063627, 4765642, 6127254, 7148463, 14296926, 21445389, 42890778]

約数ペア:

[(1, 42890778), (2, 21445389), (3, 14296926), (6, 7148463), (7, 6127254), (9, 4765642), (14, 3063627), (18, 2382821), (21, 2042418), (42, 1021209), (49, 875322), (63, 680806), (98, 437661), (126, 340403), (147, 291774), (294, 145887), (343, 125046), (441, 97258), (686, 62523), (882, 48629), (1029, 41682), (2058, 20841), (3087, 13894), (6174, 6947)]