128459264

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{6781}}^1$

素因数の和:6836

約数の個数: 40

約数和(自身を含む): 263643468

約数和(自身を除く): 135184204

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1184, 2368, 4736, 6781, 9472, 13562, 18944, 27124, 54248, 108496, 216992, 250897, 433984, 501794, 867968, 1003588, 1735936, 2007176, 3471872, 4014352, 8028704, 16057408, 32114816, 64229632, 128459264]

約数ペア:

[(1, 128459264), (2, 64229632), (4, 32114816), (8, 16057408), (16, 8028704), (32, 4014352), (37, 3471872), (64, 2007176), (74, 1735936), (128, 1003588), (148, 867968), (256, 501794), (296, 433984), (512, 250897), (592, 216992), (1184, 108496), (2368, 54248), (4736, 27124), (6781, 18944), (9472, 13562)]