256143328

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{36887}}^1$

素因数の和:36935

約数の個数: 48

約数和(自身を含む): 594929664

約数和(自身を除く): 338786336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 36887, 73774, 147548, 258209, 295096, 516418, 590192, 1032836, 1143497, 1180384, 2065672, 2286994, 4131344, 4573988, 8004479, 8262688, 9147976, 16008958, 18295952, 32017916, 36591904, 64035832, 128071664, 256143328]

約数ペア:

[(1, 256143328), (2, 128071664), (4, 64035832), (7, 36591904), (8, 32017916), (14, 18295952), (16, 16008958), (28, 9147976), (31, 8262688), (32, 8004479), (56, 4573988), (62, 4131344), (112, 2286994), (124, 2065672), (217, 1180384), (224, 1143497), (248, 1032836), (434, 590192), (496, 516418), (868, 295096), (992, 258209), (1736, 147548), (3472, 73774), (6944, 36887)]