254641009

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{2609}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 296663040

約数和(自身を除く): 42022031

約数列:

[1, 7, 73, 191, 511, 1337, 2609, 13943, 18263, 97601, 190457, 498319, 1333199, 3488233, 36377287, 254641009]

約数ペア:

[(1, 254641009), (7, 36377287), (73, 3488233), (191, 1333199), (511, 498319), (1337, 190457), (2609, 97601), (13943, 18263)]