28807044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20173}}^1$

素因数の和:20204

約数の個数: 48

約数和(自身を含む): 81341568

約数和(自身を除く): 52534524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 20173, 40346, 60519, 80692, 121038, 141211, 242076, 282422, 342941, 423633, 564844, 685882, 847266, 1028823, 1371764, 1694532, 2057646, 2400587, 4115292, 4801174, 7201761, 9602348, 14403522, 28807044]

約数ペア:

[(1, 28807044), (2, 14403522), (3, 9602348), (4, 7201761), (6, 4801174), (7, 4115292), (12, 2400587), (14, 2057646), (17, 1694532), (21, 1371764), (28, 1028823), (34, 847266), (42, 685882), (51, 564844), (68, 423633), (84, 342941), (102, 282422), (119, 242076), (204, 141211), (238, 121038), (357, 80692), (476, 60519), (714, 40346), (1428, 20173)]