851720856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{47381}}^1$

素因数の和:47504

約数の個数: 64

約数和(自身を含む): 2456282880

約数和(自身を除く): 1604562024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1284, 1498, 2247, 2568, 2996, 4494, 5992, 8988, 17976, 47381, 94762, 142143, 189524, 284286, 331667, 379048, 568572, 663334, 995001, 1137144, 1326668, 1990002, 2653336, 3980004, 5069767, 7960008, 10139534, 15209301, 20279068, 30418602, 35488369, 40558136, 60837204, 70976738, 106465107, 121674408, 141953476, 212930214, 283906952, 425860428, 851720856]

約数ペア:

[(1, 851720856), (2, 425860428), (3, 283906952), (4, 212930214), (6, 141953476), (7, 121674408), (8, 106465107), (12, 70976738), (14, 60837204), (21, 40558136), (24, 35488369), (28, 30418602), (42, 20279068), (56, 15209301), (84, 10139534), (107, 7960008), (168, 5069767), (214, 3980004), (321, 2653336), (428, 1990002), (642, 1326668), (749, 1137144), (856, 995001), (1284, 663334), (1498, 568572), (2247, 379048), (2568, 331667), (2996, 284286), (4494, 189524), (5992, 142143), (8988, 94762), (17976, 47381)]