890221402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1\times {\mathrm{4421}}^1$

素因数の和:5206

約数の個数: 32

約数和(自身を含む): 1608900480

約数和(自身を除く): 718679078

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 757, 1514, 4421, 5299, 8842, 10598, 14383, 28766, 30947, 61894, 83999, 100681, 167998, 201362, 587993, 1175986, 3346697, 6693394, 23426879, 46853758, 63587243, 127174486, 445110701, 890221402]

約数ペア:

[(1, 890221402), (2, 445110701), (7, 127174486), (14, 63587243), (19, 46853758), (38, 23426879), (133, 6693394), (266, 3346697), (757, 1175986), (1514, 587993), (4421, 201362), (5299, 167998), (8842, 100681), (10598, 83999), (14383, 61894), (28766, 30947)]