31671138

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 71331840

約数和(自身を除く): 39660702

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 47, 57, 69, 94, 114, 138, 141, 257, 282, 437, 514, 771, 874, 893, 1081, 1311, 1542, 1786, 2162, 2622, 2679, 3243, 4883, 5358, 5911, 6486, 9766, 11822, 12079, 14649, 17733, 20539, 24158, 29298, 35466, 36237, 41078, 61617, 72474, 112309, 123234, 224618, 229501, 277817, 336927, 459002, 555634, 673854, 688503, 833451, 1377006, 1666902, 5278523, 10557046, 15835569, 31671138]

約数ペア:

[(1, 31671138), (2, 15835569), (3, 10557046), (6, 5278523), (19, 1666902), (23, 1377006), (38, 833451), (46, 688503), (47, 673854), (57, 555634), (69, 459002), (94, 336927), (114, 277817), (138, 229501), (141, 224618), (257, 123234), (282, 112309), (437, 72474), (514, 61617), (771, 41078), (874, 36237), (893, 35466), (1081, 29298), (1311, 24158), (1542, 20539), (1786, 17733), (2162, 14649), (2622, 12079), (2679, 11822), (3243, 9766), (4883, 6486), (5358, 5911)]