2220785049

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 3562513920

約数和(自身を除く): 1341728871

約数列:

[1, 3, 7, 21, 41, 73, 89, 123, 219, 267, 287, 397, 511, 623, 861, 1191, 1533, 1869, 2779, 2993, 3649, 6497, 8337, 8979, 10947, 16277, 19491, 20951, 25543, 28981, 35333, 45479, 48831, 62853, 76629, 86943, 105999, 113939, 136437, 202867, 247331, 266377, 341817, 608601, 741993, 799131, 1188221, 1448653, 1864639, 2579309, 3564663, 4345959, 5593917, 7737927, 8317547, 10140571, 18055163, 24952641, 30421713, 54165489, 105751669, 317255007, 740261683, 2220785049]

約数ペア:

[(1, 2220785049), (3, 740261683), (7, 317255007), (21, 105751669), (41, 54165489), (73, 30421713), (89, 24952641), (123, 18055163), (219, 10140571), (267, 8317547), (287, 7737927), (397, 5593917), (511, 4345959), (623, 3564663), (861, 2579309), (1191, 1864639), (1533, 1448653), (1869, 1188221), (2779, 799131), (2993, 741993), (3649, 608601), (6497, 341817), (8337, 266377), (8979, 247331), (10947, 202867), (16277, 136437), (19491, 113939), (20951, 105999), (25543, 86943), (28981, 76629), (35333, 62853), (45479, 48831)]