71865664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5081}}^1$

素因数の和:5123

約数の個数: 56

約数和(自身を含む): 162644328

約数和(自身を除く): 90778664

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 3536, 5081, 7072, 10162, 14144, 20324, 40648, 66053, 81296, 86377, 132106, 162592, 172754, 264212, 325184, 345508, 528424, 691016, 1056848, 1122901, 1382032, 2113696, 2245802, 2764064, 4227392, 4491604, 5528128, 8983208, 17966416, 35932832, 71865664]

約数ペア:

[(1, 71865664), (2, 35932832), (4, 17966416), (8, 8983208), (13, 5528128), (16, 4491604), (17, 4227392), (26, 2764064), (32, 2245802), (34, 2113696), (52, 1382032), (64, 1122901), (68, 1056848), (104, 691016), (136, 528424), (208, 345508), (221, 325184), (272, 264212), (416, 172754), (442, 162592), (544, 132106), (832, 86377), (884, 81296), (1088, 66053), (1768, 40648), (3536, 20324), (5081, 14144), (7072, 10162)]