401304813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 687536640

約数和(自身を除く): 286231827

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 173, 203, 273, 293, 377, 519, 609, 879, 1131, 1211, 2051, 2249, 2639, 3633, 3809, 5017, 6153, 6747, 7917, 8497, 11427, 15051, 15743, 25491, 26663, 35119, 47229, 50689, 59479, 65221, 79989, 105357, 110461, 152067, 178437, 195663, 331383, 354823, 456547, 658957, 773227, 1064469, 1369641, 1469981, 1976871, 2319681, 4409943, 4612699, 10289867, 13838097, 19109753, 30869601, 57329259, 133768271, 401304813]

約数ペア:

[(1, 401304813), (3, 133768271), (7, 57329259), (13, 30869601), (21, 19109753), (29, 13838097), (39, 10289867), (87, 4612699), (91, 4409943), (173, 2319681), (203, 1976871), (273, 1469981), (293, 1369641), (377, 1064469), (519, 773227), (609, 658957), (879, 456547), (1131, 354823), (1211, 331383), (2051, 195663), (2249, 178437), (2639, 152067), (3633, 110461), (3809, 105357), (5017, 79989), (6153, 65221), (6747, 59479), (7917, 50689), (8497, 47229), (11427, 35119), (15051, 26663), (15743, 25491)]