78408396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 217198800

約数和(自身を除く): 138790404

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 389, 396, 509, 778, 1018, 1167, 1527, 1556, 2036, 2334, 3054, 3501, 4279, 4581, 4668, 5599, 6108, 7002, 8558, 9162, 11198, 12837, 14004, 16797, 17116, 18324, 22396, 25674, 33594, 38511, 50391, 51348, 67188, 77022, 100782, 154044, 198001, 201564, 396002, 594003, 792004, 1188006, 1782009, 2178011, 2376012, 3564018, 4356022, 6534033, 7128036, 8712044, 13068066, 19602099, 26136132, 39204198, 78408396]

約数ペア:

[(1, 78408396), (2, 39204198), (3, 26136132), (4, 19602099), (6, 13068066), (9, 8712044), (11, 7128036), (12, 6534033), (18, 4356022), (22, 3564018), (33, 2376012), (36, 2178011), (44, 1782009), (66, 1188006), (99, 792004), (132, 594003), (198, 396002), (389, 201564), (396, 198001), (509, 154044), (778, 100782), (1018, 77022), (1167, 67188), (1527, 51348), (1556, 50391), (2036, 38511), (2334, 33594), (3054, 25674), (3501, 22396), (4279, 18324), (4581, 17116), (4668, 16797), (5599, 14004), (6108, 12837), (7002, 11198), (8558, 9162)]