256444912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 533492640

約数和(自身を除く): 277047728

約数列:

[1, 2, 4, 8, 16, 29, 58, 67, 73, 113, 116, 134, 146, 226, 232, 268, 292, 452, 464, 536, 584, 904, 1072, 1168, 1808, 1943, 2117, 3277, 3886, 4234, 4891, 6554, 7571, 7772, 8249, 8468, 9782, 13108, 15142, 15544, 16498, 16936, 19564, 26216, 30284, 31088, 32996, 33872, 39128, 52432, 60568, 65992, 78256, 121136, 131984, 141839, 219559, 239221, 283678, 439118, 478442, 552683, 567356, 878236, 956884, 1105366, 1134712, 1756472, 1913768, 2210732, 2269424, 3512944, 3827536, 4421464, 8842928, 16027807, 32055614, 64111228, 128222456, 256444912]

約数ペア:

[(1, 256444912), (2, 128222456), (4, 64111228), (8, 32055614), (16, 16027807), (29, 8842928), (58, 4421464), (67, 3827536), (73, 3512944), (113, 2269424), (116, 2210732), (134, 1913768), (146, 1756472), (226, 1134712), (232, 1105366), (268, 956884), (292, 878236), (452, 567356), (464, 552683), (536, 478442), (584, 439118), (904, 283678), (1072, 239221), (1168, 219559), (1808, 141839), (1943, 131984), (2117, 121136), (3277, 78256), (3886, 65992), (4234, 60568), (4891, 52432), (6554, 39128), (7571, 33872), (7772, 32996), (8249, 31088), (8468, 30284), (9782, 26216), (13108, 19564), (15142, 16936), (15544, 16498)]