212563456

素因数分解:

$2^9\times 7^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:619

約数の個数: 80

約数和(自身を含む): 490254336

約数和(自身を除く): 277690880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 448, 467, 508, 512, 889, 896, 934, 1016, 1778, 1792, 1868, 2032, 3269, 3556, 3584, 3736, 4064, 6538, 7112, 7472, 8128, 13076, 14224, 14944, 16256, 26152, 28448, 29888, 32512, 52304, 56896, 59309, 59776, 65024, 104608, 113792, 118618, 119552, 209216, 227584, 237236, 239104, 415163, 418432, 455168, 474472, 830326, 836864, 948944, 1660652, 1673728, 1897888, 3321304, 3795776, 6642608, 7591552, 13285216, 15183104, 26570432, 30366208, 53140864, 106281728, 212563456]

約数ペア:

[(1, 212563456), (2, 106281728), (4, 53140864), (7, 30366208), (8, 26570432), (14, 15183104), (16, 13285216), (28, 7591552), (32, 6642608), (56, 3795776), (64, 3321304), (112, 1897888), (127, 1673728), (128, 1660652), (224, 948944), (254, 836864), (256, 830326), (448, 474472), (467, 455168), (508, 418432), (512, 415163), (889, 239104), (896, 237236), (934, 227584), (1016, 209216), (1778, 119552), (1792, 118618), (1868, 113792), (2032, 104608), (3269, 65024), (3556, 59776), (3584, 59309), (3736, 56896), (4064, 52304), (6538, 32512), (7112, 29888), (7472, 28448), (8128, 26152), (13076, 16256), (14224, 14944)]