81500584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 178148160

約数和(自身を除く): 96647576

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 157, 187, 314, 347, 374, 628, 694, 748, 1256, 1388, 1496, 1727, 2669, 2776, 3454, 3817, 5338, 5899, 6908, 7634, 10676, 11798, 13816, 15268, 21352, 23596, 29359, 30536, 47192, 54479, 58718, 64889, 108958, 117436, 129778, 217916, 234872, 259556, 435832, 519112, 599269, 926143, 1198538, 1852286, 2397076, 3704572, 4794152, 7409144, 10187573, 20375146, 40750292, 81500584]

約数ペア:

[(1, 81500584), (2, 40750292), (4, 20375146), (8, 10187573), (11, 7409144), (17, 4794152), (22, 3704572), (34, 2397076), (44, 1852286), (68, 1198538), (88, 926143), (136, 599269), (157, 519112), (187, 435832), (314, 259556), (347, 234872), (374, 217916), (628, 129778), (694, 117436), (748, 108958), (1256, 64889), (1388, 58718), (1496, 54479), (1727, 47192), (2669, 30536), (2776, 29359), (3454, 23596), (3817, 21352), (5338, 15268), (5899, 13816), (6908, 11798), (7634, 10676)]