28939645

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 42977088

約数和(自身を除く): 14037443

約数列:

[1, 5, 7, 35, 41, 43, 49, 67, 205, 215, 245, 287, 301, 335, 469, 1435, 1505, 1763, 2009, 2107, 2345, 2747, 2881, 3283, 8815, 10045, 10535, 12341, 13735, 14405, 16415, 19229, 20167, 61705, 86387, 96145, 100835, 118121, 134603, 141169, 431935, 590605, 673015, 705845, 826847, 4134235, 5787929, 28939645]

約数ペア:

[(1, 28939645), (5, 5787929), (7, 4134235), (35, 826847), (41, 705845), (43, 673015), (49, 590605), (67, 431935), (205, 141169), (215, 134603), (245, 118121), (287, 100835), (301, 96145), (335, 86387), (469, 61705), (1435, 20167), (1505, 19229), (1763, 16415), (2009, 14405), (2107, 13735), (2345, 12341), (2747, 10535), (2881, 10045), (3283, 8815)]