261647584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{4451}}^1$

素因数の和:4639

約数の個数: 48

約数和(自身を含む): 565439616

約数和(自身を除く): 303792032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 167, 176, 334, 352, 668, 1336, 1837, 2672, 3674, 4451, 5344, 7348, 8902, 14696, 17804, 29392, 35608, 48961, 58784, 71216, 97922, 142432, 195844, 391688, 743317, 783376, 1486634, 1566752, 2973268, 5946536, 8176487, 11893072, 16352974, 23786144, 32705948, 65411896, 130823792, 261647584]

約数ペア:

[(1, 261647584), (2, 130823792), (4, 65411896), (8, 32705948), (11, 23786144), (16, 16352974), (22, 11893072), (32, 8176487), (44, 5946536), (88, 2973268), (167, 1566752), (176, 1486634), (334, 783376), (352, 743317), (668, 391688), (1336, 195844), (1837, 142432), (2672, 97922), (3674, 71216), (4451, 58784), (5344, 48961), (7348, 35608), (8902, 29392), (14696, 17804)]