201578416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^2\times {\mathrm{103}}^1$

素因数の和:318

約数の個数: 60

約数和(自身を含む): 429107952

約数和(自身を除く): 227529536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 103, 104, 194, 206, 208, 388, 412, 776, 824, 1261, 1339, 1552, 1648, 2522, 2678, 5044, 5356, 9409, 9991, 10088, 10712, 18818, 19982, 20176, 21424, 37636, 39964, 75272, 79928, 122317, 129883, 150544, 159856, 244634, 259766, 489268, 519532, 969127, 978536, 1039064, 1938254, 1957072, 2078128, 3876508, 7753016, 12598651, 15506032, 25197302, 50394604, 100789208, 201578416]

約数ペア:

[(1, 201578416), (2, 100789208), (4, 50394604), (8, 25197302), (13, 15506032), (16, 12598651), (26, 7753016), (52, 3876508), (97, 2078128), (103, 1957072), (104, 1938254), (194, 1039064), (206, 978536), (208, 969127), (388, 519532), (412, 489268), (776, 259766), (824, 244634), (1261, 159856), (1339, 150544), (1552, 129883), (1648, 122317), (2522, 79928), (2678, 75272), (5044, 39964), (5356, 37636), (9409, 21424), (9991, 20176), (10088, 19982), (10712, 18818)]