209548144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{9781}}^1$

素因数の和:9905

約数の個数: 40

約数和(自身を含む): 441520352

約数和(自身を除く): 231972208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 9781, 10712, 19562, 21424, 39124, 78248, 127153, 156496, 254306, 508612, 1007443, 1017224, 2014886, 2034448, 4029772, 8059544, 13096759, 16119088, 26193518, 52387036, 104774072, 209548144]

約数ペア:

[(1, 209548144), (2, 104774072), (4, 52387036), (8, 26193518), (13, 16119088), (16, 13096759), (26, 8059544), (52, 4029772), (103, 2034448), (104, 2014886), (206, 1017224), (208, 1007443), (412, 508612), (824, 254306), (1339, 156496), (1648, 127153), (2678, 78248), (5356, 39124), (9781, 21424), (10712, 19562)]