210872168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65407}}^1$

素因数の和:65457

約数の個数: 32

約数和(自身を含む): 439541760

約数和(自身を除く): 228669592

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 65407, 130814, 261628, 523256, 850291, 1700582, 2027617, 3401164, 4055234, 6802328, 8110468, 16220936, 26359021, 52718042, 105436084, 210872168]

約数ペア:

[(1, 210872168), (2, 105436084), (4, 52718042), (8, 26359021), (13, 16220936), (26, 8110468), (31, 6802328), (52, 4055234), (62, 3401164), (104, 2027617), (124, 1700582), (248, 850291), (403, 523256), (806, 261628), (1612, 130814), (3224, 65407)]