164080257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2591}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 253808640

約数和(自身を除く): 89728383

約数列:

[1, 3, 11, 19, 33, 57, 101, 209, 303, 627, 1111, 1919, 2591, 3333, 5757, 7773, 21109, 28501, 49229, 63327, 85503, 147687, 261691, 541519, 785073, 1624557, 2878601, 4972129, 8635803, 14916387, 54693419, 164080257]

約数ペア:

[(1, 164080257), (3, 54693419), (11, 14916387), (19, 8635803), (33, 4972129), (57, 2878601), (101, 1624557), (209, 785073), (303, 541519), (627, 261691), (1111, 147687), (1919, 85503), (2591, 63327), (3333, 49229), (5757, 28501), (7773, 21109)]