257198816

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37039}}^1$

素因数の和:37087

約数の個数: 48

約数和(自身を含む): 597381120

約数和(自身を除く): 340182304

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, 37039, 74078, 148156, 259273, 296312, 518546, 592624, 1037092, 1148209, 1185248, 2074184, 2296418, 4148368, 4592836, 8037463, 8296736, 9185672, 16074926, 18371344, 32149852, 36742688, 64299704, 128599408, 257198816]

約数ペア:

[(1, 257198816), (2, 128599408), (4, 64299704), (7, 36742688), (8, 32149852), (14, 18371344), (16, 16074926), (28, 9185672), (31, 8296736), (32, 8037463), (56, 4592836), (62, 4148368), (112, 2296418), (124, 2074184), (217, 1185248), (224, 1148209), (248, 1037092), (434, 592624), (496, 518546), (868, 296312), (992, 259273), (1736, 148156), (3472, 74078), (6944, 37039)]