640202288

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{330683}}^1$

素因数の和:330713

約数の個数: 30

約数和(自身を含む): 1363410132

約数和(自身を除く): 723207844

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 330683, 661366, 1322732, 2645464, 3637513, 5290928, 7275026, 14550052, 29100104, 40012643, 58200208, 80025286, 160050572, 320101144, 640202288]

約数ペア:

[(1, 640202288), (2, 320101144), (4, 160050572), (8, 80025286), (11, 58200208), (16, 40012643), (22, 29100104), (44, 14550052), (88, 7275026), (121, 5290928), (176, 3637513), (242, 2645464), (484, 1322732), (968, 661366), (1936, 330683)]