131558176

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 267193080

約数和(自身を除く): 135634904

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 197, 328, 394, 509, 656, 788, 1018, 1312, 1576, 2036, 3152, 4072, 6304, 8077, 8144, 16154, 16288, 20869, 32308, 41738, 64616, 83476, 100273, 129232, 166952, 200546, 258464, 333904, 401092, 667808, 802184, 1604368, 3208736, 4111193, 8222386, 16444772, 32889544, 65779088, 131558176]

約数ペア:

[(1, 131558176), (2, 65779088), (4, 32889544), (8, 16444772), (16, 8222386), (32, 4111193), (41, 3208736), (82, 1604368), (164, 802184), (197, 667808), (328, 401092), (394, 333904), (509, 258464), (656, 200546), (788, 166952), (1018, 129232), (1312, 100273), (1576, 83476), (2036, 64616), (3152, 41738), (4072, 32308), (6304, 20869), (8077, 16288), (8144, 16154)]