180797578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2633}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 309758400

約数和(自身を除く): 128960822

約数列:

[1, 2, 13, 19, 26, 38, 139, 247, 278, 494, 1807, 2633, 2641, 3614, 5266, 5282, 34229, 34333, 50027, 68458, 68666, 100054, 365987, 650351, 731974, 1300702, 4757831, 6953753, 9515662, 13907506, 90398789, 180797578]

約数ペア:

[(1, 180797578), (2, 90398789), (13, 13907506), (19, 9515662), (26, 6953753), (38, 4757831), (139, 1300702), (247, 731974), (278, 650351), (494, 365987), (1807, 100054), (2633, 68666), (2641, 68458), (3614, 50027), (5266, 34333), (5282, 34229)]