28171794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 69442560

約数和(自身を除く): 41270766

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 602, 798, 817, 821, 903, 1634, 1642, 1806, 2451, 2463, 4902, 4926, 5719, 5747, 11438, 11494, 15599, 17157, 17241, 31198, 34314, 34482, 35303, 46797, 70606, 93594, 105909, 109193, 211818, 218386, 247121, 327579, 494242, 655158, 670757, 741363, 1341514, 1482726, 2012271, 4024542, 4695299, 9390598, 14085897, 28171794]

約数ペア:

[(1, 28171794), (2, 14085897), (3, 9390598), (6, 4695299), (7, 4024542), (14, 2012271), (19, 1482726), (21, 1341514), (38, 741363), (42, 670757), (43, 655158), (57, 494242), (86, 327579), (114, 247121), (129, 218386), (133, 211818), (258, 109193), (266, 105909), (301, 93594), (399, 70606), (602, 46797), (798, 35303), (817, 34482), (821, 34314), (903, 31198), (1634, 17241), (1642, 17157), (1806, 15599), (2451, 11494), (2463, 11438), (4902, 5747), (4926, 5719)]