398972476

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1531}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 821544192

約数和(自身を除く): 422571716

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 227, 287, 454, 574, 908, 1148, 1531, 1589, 3062, 3178, 6124, 6356, 9307, 10717, 18614, 21434, 37228, 42868, 62771, 65149, 125542, 130298, 251084, 260596, 347537, 439397, 695074, 878794, 1390148, 1757588, 2432759, 4865518, 9731036, 14249017, 28498034, 56996068, 99743119, 199486238, 398972476]

約数ペア:

[(1, 398972476), (2, 199486238), (4, 99743119), (7, 56996068), (14, 28498034), (28, 14249017), (41, 9731036), (82, 4865518), (164, 2432759), (227, 1757588), (287, 1390148), (454, 878794), (574, 695074), (908, 439397), (1148, 347537), (1531, 260596), (1589, 251084), (3062, 130298), (3178, 125542), (6124, 65149), (6356, 62771), (9307, 42868), (10717, 37228), (18614, 21434)]