256787968

素因数分解:

$2^9\times {\mathrm{53}}^1\times {\mathrm{9463}}^1$

素因数の和:9534

約数の個数: 40

約数和(自身を含む): 522810288

約数和(自身を除く): 266022320

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 512, 848, 1696, 3392, 6784, 9463, 13568, 18926, 27136, 37852, 75704, 151408, 302816, 501539, 605632, 1003078, 1211264, 2006156, 2422528, 4012312, 4845056, 8024624, 16049248, 32098496, 64196992, 128393984, 256787968]

約数ペア:

[(1, 256787968), (2, 128393984), (4, 64196992), (8, 32098496), (16, 16049248), (32, 8024624), (53, 4845056), (64, 4012312), (106, 2422528), (128, 2006156), (212, 1211264), (256, 1003078), (424, 605632), (512, 501539), (848, 302816), (1696, 151408), (3392, 75704), (6784, 37852), (9463, 27136), (13568, 18926)]