1268181505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{20443}}^1$

素因数の和:21120

約数の個数: 16

約数和(自身を含む): 1604445120

約数和(自身を除く): 336263615

約数列:

[1, 5, 19, 95, 653, 3265, 12407, 20443, 62035, 102215, 388417, 1942085, 13349279, 66746395, 253636301, 1268181505]

約数ペア:

[(1, 1268181505), (5, 253636301), (19, 66746395), (95, 13349279), (653, 1942085), (3265, 388417), (12407, 102215), (20443, 62035)]