128647554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{65171}}^1$

素因数の和:65230

約数の個数: 32

約数和(自身を含む): 300312576

約数和(自身を除く): 171665022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 65171, 130342, 195513, 391026, 456197, 912394, 1368591, 2737182, 3063037, 6126074, 9189111, 18378222, 21441259, 42882518, 64323777, 128647554]

約数ペア:

[(1, 128647554), (2, 64323777), (3, 42882518), (6, 21441259), (7, 18378222), (14, 9189111), (21, 6126074), (42, 3063037), (47, 2737182), (94, 1368591), (141, 912394), (282, 456197), (329, 391026), (658, 195513), (987, 130342), (1974, 65171)]