28220416

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 88

約数和(自身を含む): 67076096

約数和(自身を除く): 38855680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 127, 128, 217, 224, 248, 254, 256, 434, 448, 496, 508, 512, 868, 889, 896, 992, 1016, 1024, 1736, 1778, 1792, 1984, 2032, 3472, 3556, 3584, 3937, 3968, 4064, 6944, 7112, 7168, 7874, 7936, 8128, 13888, 14224, 15748, 15872, 16256, 27559, 27776, 28448, 31496, 31744, 32512, 55118, 55552, 56896, 62992, 65024, 110236, 111104, 113792, 125984, 130048, 220472, 222208, 227584, 251968, 440944, 455168, 503936, 881888, 910336, 1007872, 1763776, 2015744, 3527552, 4031488, 7055104, 14110208, 28220416]

約数ペア:

[(1, 28220416), (2, 14110208), (4, 7055104), (7, 4031488), (8, 3527552), (14, 2015744), (16, 1763776), (28, 1007872), (31, 910336), (32, 881888), (56, 503936), (62, 455168), (64, 440944), (112, 251968), (124, 227584), (127, 222208), (128, 220472), (217, 130048), (224, 125984), (248, 113792), (254, 111104), (256, 110236), (434, 65024), (448, 62992), (496, 56896), (508, 55552), (512, 55118), (868, 32512), (889, 31744), (896, 31496), (992, 28448), (1016, 27776), (1024, 27559), (1736, 16256), (1778, 15872), (1792, 15748), (1984, 14224), (2032, 13888), (3472, 8128), (3556, 7936), (3584, 7874), (3937, 7168), (3968, 7112), (4064, 6944)]