820007542

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 1295058240

約数和(自身を除く): 475050698

約数列:

[1, 2, 37, 71, 74, 97, 142, 194, 1609, 2627, 3218, 3589, 5254, 6887, 7178, 13774, 59533, 114239, 119066, 156073, 228478, 254819, 312146, 509638, 4226843, 5774701, 8453686, 11081183, 11549402, 22162366, 410003771, 820007542]

約数ペア:

[(1, 820007542), (2, 410003771), (37, 22162366), (71, 11549402), (74, 11081183), (97, 8453686), (142, 5774701), (194, 4226843), (1609, 509638), (2627, 312146), (3218, 254819), (3589, 228478), (5254, 156073), (6887, 119066), (7178, 114239), (13774, 59533)]