2558864

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 6475776

約数和(自身を除く): 3916912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 67, 77, 88, 112, 124, 134, 154, 176, 217, 248, 268, 308, 341, 434, 469, 496, 536, 616, 682, 737, 868, 938, 1072, 1232, 1364, 1474, 1736, 1876, 2077, 2387, 2728, 2948, 3472, 3752, 4154, 4774, 5159, 5456, 5896, 7504, 8308, 9548, 10318, 11792, 14539, 16616, 19096, 20636, 22847, 29078, 33232, 38192, 41272, 45694, 58156, 82544, 91388, 116312, 159929, 182776, 232624, 319858, 365552, 639716, 1279432, 2558864]

約数ペア:

[(1, 2558864), (2, 1279432), (4, 639716), (7, 365552), (8, 319858), (11, 232624), (14, 182776), (16, 159929), (22, 116312), (28, 91388), (31, 82544), (44, 58156), (56, 45694), (62, 41272), (67, 38192), (77, 33232), (88, 29078), (112, 22847), (124, 20636), (134, 19096), (154, 16616), (176, 14539), (217, 11792), (248, 10318), (268, 9548), (308, 8308), (341, 7504), (434, 5896), (469, 5456), (496, 5159), (536, 4774), (616, 4154), (682, 3752), (737, 3472), (868, 2948), (938, 2728), (1072, 2387), (1232, 2077), (1364, 1876), (1474, 1736)]