28727590

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 53537760

約数和(自身を除く): 24810170

約数列:

[1, 2, 5, 10, 53, 67, 106, 134, 265, 335, 530, 670, 809, 1618, 3551, 4045, 7102, 8090, 17755, 35510, 42877, 54203, 85754, 108406, 214385, 271015, 428770, 542030, 2872759, 5745518, 14363795, 28727590]

約数ペア:

[(1, 28727590), (2, 14363795), (5, 5745518), (10, 2872759), (53, 542030), (67, 428770), (106, 271015), (134, 214385), (265, 108406), (335, 85754), (530, 54203), (670, 42877), (809, 35510), (1618, 17755), (3551, 8090), (4045, 7102)]