28016653

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 7077875

約数列:

[1, 7, 31, 41, 47, 67, 217, 287, 329, 469, 1271, 1457, 1927, 2077, 2747, 3149, 8897, 10199, 13489, 14539, 19229, 22043, 59737, 85157, 97619, 129109, 418159, 596099, 683333, 903763, 4002379, 28016653]

約数ペア:

[(1, 28016653), (7, 4002379), (31, 903763), (41, 683333), (47, 596099), (67, 418159), (217, 129109), (287, 97619), (329, 85157), (469, 59737), (1271, 22043), (1457, 19229), (1927, 14539), (2077, 13489), (2747, 10199), (3149, 8897)]