81351424

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4127}}^1$

素因数の和:4161

約数の個数: 72

約数和(自身を含む): 202503168

約数和(自身を除く): 121151744

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1232, 1408, 1792, 2464, 2816, 4127, 4928, 8254, 9856, 16508, 19712, 28889, 33016, 45397, 57778, 66032, 90794, 115556, 132064, 181588, 231112, 264128, 317779, 363176, 462224, 528256, 635558, 726352, 924448, 1056512, 1271116, 1452704, 1848896, 2542232, 2905408, 3697792, 5084464, 5810816, 7395584, 10168928, 11621632, 20337856, 40675712, 81351424]

約数ペア:

[(1, 81351424), (2, 40675712), (4, 20337856), (7, 11621632), (8, 10168928), (11, 7395584), (14, 5810816), (16, 5084464), (22, 3697792), (28, 2905408), (32, 2542232), (44, 1848896), (56, 1452704), (64, 1271116), (77, 1056512), (88, 924448), (112, 726352), (128, 635558), (154, 528256), (176, 462224), (224, 363176), (256, 317779), (308, 264128), (352, 231112), (448, 181588), (616, 132064), (704, 115556), (896, 90794), (1232, 66032), (1408, 57778), (1792, 45397), (2464, 33016), (2816, 28889), (4127, 19712), (4928, 16508), (8254, 9856)]