25447821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 18788979

約数列:

[1, 3, 7, 19, 21, 23, 47, 57, 59, 69, 133, 141, 161, 177, 329, 399, 413, 437, 483, 893, 987, 1081, 1121, 1239, 1311, 1357, 2679, 2773, 3059, 3243, 3363, 4071, 6251, 7567, 7847, 8319, 9177, 9499, 18753, 19411, 20539, 22701, 23541, 25783, 28497, 52687, 58233, 61617, 63779, 77349, 143773, 158061, 180481, 191337, 368809, 431319, 446453, 541443, 1106427, 1211801, 1339359, 3635403, 8482607, 25447821]

約数ペア:

[(1, 25447821), (3, 8482607), (7, 3635403), (19, 1339359), (21, 1211801), (23, 1106427), (47, 541443), (57, 446453), (59, 431319), (69, 368809), (133, 191337), (141, 180481), (161, 158061), (177, 143773), (329, 77349), (399, 63779), (413, 61617), (437, 58233), (483, 52687), (893, 28497), (987, 25783), (1081, 23541), (1121, 22701), (1239, 20539), (1311, 19411), (1357, 18753), (2679, 9499), (2773, 9177), (3059, 8319), (3243, 7847), (3363, 7567), (4071, 6251)]