64000256

素因数分解:

$2^8\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 54

約数和(自身を含む): 131669370

約数和(自身を除く): 67669114

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 89, 106, 128, 178, 212, 256, 356, 424, 712, 848, 1424, 1696, 2809, 2848, 3392, 4717, 5618, 5696, 6784, 9434, 11236, 11392, 13568, 18868, 22472, 22784, 37736, 44944, 75472, 89888, 150944, 179776, 250001, 301888, 359552, 500002, 603776, 719104, 1000004, 1207552, 2000008, 4000016, 8000032, 16000064, 32000128, 64000256]

約数ペア:

[(1, 64000256), (2, 32000128), (4, 16000064), (8, 8000032), (16, 4000016), (32, 2000008), (53, 1207552), (64, 1000004), (89, 719104), (106, 603776), (128, 500002), (178, 359552), (212, 301888), (256, 250001), (356, 179776), (424, 150944), (712, 89888), (848, 75472), (1424, 44944), (1696, 37736), (2809, 22784), (2848, 22472), (3392, 18868), (4717, 13568), (5618, 11392), (5696, 11236), (6784, 9434)]