31981902

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 69335040

約数和(自身を除く): 37353138

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 94, 114, 127, 141, 254, 282, 381, 762, 893, 1786, 2209, 2413, 2679, 4418, 4826, 5358, 5969, 6627, 7239, 11938, 13254, 14478, 17907, 35814, 41971, 83942, 113411, 125913, 226822, 251826, 280543, 340233, 561086, 680466, 841629, 1683258, 5330317, 10660634, 15990951, 31981902]

約数ペア:

[(1, 31981902), (2, 15990951), (3, 10660634), (6, 5330317), (19, 1683258), (38, 841629), (47, 680466), (57, 561086), (94, 340233), (114, 280543), (127, 251826), (141, 226822), (254, 125913), (282, 113411), (381, 83942), (762, 41971), (893, 35814), (1786, 17907), (2209, 14478), (2413, 13254), (2679, 11938), (4418, 7239), (4826, 6627), (5358, 5969)]