2478312189

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 3771593280

約数和(自身を除く): 1293281091

約数列:

[1, 3, 9, 29, 83, 87, 233, 249, 261, 491, 699, 747, 1473, 2097, 2407, 4419, 6757, 7221, 14239, 19339, 20271, 21663, 40753, 42717, 58017, 60813, 114403, 122259, 128151, 174051, 343209, 366777, 560831, 1029627, 1181837, 1682493, 3317687, 3545511, 5047479, 9495449, 9953061, 10636533, 28486347, 29859183, 85459041, 275368021, 826104063, 2478312189]

約数ペア:

[(1, 2478312189), (3, 826104063), (9, 275368021), (29, 85459041), (83, 29859183), (87, 28486347), (233, 10636533), (249, 9953061), (261, 9495449), (491, 5047479), (699, 3545511), (747, 3317687), (1473, 1682493), (2097, 1181837), (2407, 1029627), (4419, 560831), (6757, 366777), (7221, 343209), (14239, 174051), (19339, 128151), (20271, 122259), (21663, 114403), (40753, 60813), (42717, 58017)]