4555551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 8580096

約数和(自身を除く): 4024545

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 41, 77, 91, 111, 123, 143, 231, 259, 273, 287, 407, 429, 451, 481, 533, 777, 861, 1001, 1221, 1353, 1443, 1517, 1599, 2849, 3003, 3157, 3367, 3731, 4551, 5291, 5863, 8547, 9471, 10101, 10619, 11193, 15873, 16687, 17589, 19721, 31857, 37037, 41041, 50061, 59163, 111111, 116809, 123123, 138047, 216931, 350427, 414141, 650793, 1518517, 4555551]

約数ペア:

[(1, 4555551), (3, 1518517), (7, 650793), (11, 414141), (13, 350427), (21, 216931), (33, 138047), (37, 123123), (39, 116809), (41, 111111), (77, 59163), (91, 50061), (111, 41041), (123, 37037), (143, 31857), (231, 19721), (259, 17589), (273, 16687), (287, 15873), (407, 11193), (429, 10619), (451, 10101), (481, 9471), (533, 8547), (777, 5863), (861, 5291), (1001, 4551), (1221, 3731), (1353, 3367), (1443, 3157), (1517, 3003), (1599, 2849)]