164578228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{19867}}^1$

素因数の和:19999

約数の個数: 24

約数和(自身を含む): 305967200

約数和(自身を除く): 141388972

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 19867, 39734, 79468, 377473, 754946, 1509892, 2165503, 4331006, 8662012, 41144557, 82289114, 164578228]

約数ペア:

[(1, 164578228), (2, 82289114), (4, 41144557), (19, 8662012), (38, 4331006), (76, 2165503), (109, 1509892), (218, 754946), (436, 377473), (2071, 79468), (4142, 39734), (8284, 19867)]