31457272

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 74188800

約数和(自身を除く): 42731528

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 223, 229, 308, 446, 458, 616, 892, 916, 1561, 1603, 1784, 1832, 2453, 2519, 3122, 3206, 4906, 5038, 6244, 6412, 9812, 10076, 12488, 12824, 17171, 17633, 19624, 20152, 34342, 35266, 51067, 68684, 70532, 102134, 137368, 141064, 204268, 357469, 408536, 561737, 714938, 1123474, 1429876, 2246948, 2859752, 3932159, 4493896, 7864318, 15728636, 31457272]

約数ペア:

[(1, 31457272), (2, 15728636), (4, 7864318), (7, 4493896), (8, 3932159), (11, 2859752), (14, 2246948), (22, 1429876), (28, 1123474), (44, 714938), (56, 561737), (77, 408536), (88, 357469), (154, 204268), (223, 141064), (229, 137368), (308, 102134), (446, 70532), (458, 68684), (616, 51067), (892, 35266), (916, 34342), (1561, 20152), (1603, 19624), (1784, 17633), (1832, 17171), (2453, 12824), (2519, 12488), (3122, 10076), (3206, 9812), (4906, 6412), (5038, 6244)]