254252005

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2411}}^1$

素因数の和:2577

約数の個数: 32

約数和(自身を含む): 366778368

約数和(自身を除く): 112526363

約数列:

[1, 5, 7, 23, 35, 115, 131, 161, 655, 805, 917, 2411, 3013, 4585, 12055, 15065, 16877, 21091, 55453, 84385, 105455, 277265, 315841, 388171, 1579205, 1940855, 2210887, 7264343, 11054435, 36321715, 50850401, 254252005]

約数ペア:

[(1, 254252005), (5, 50850401), (7, 36321715), (23, 11054435), (35, 7264343), (115, 2210887), (131, 1940855), (161, 1579205), (655, 388171), (805, 315841), (917, 277265), (2411, 105455), (3013, 84385), (4585, 55453), (12055, 21091), (15065, 16877)]