217232288

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10657}}^1$

素因数の和:10694

約数の個数: 72

約数和(自身を含む): 535820292

約数和(自身を除く): 318588004

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 10657, 20384, 21314, 42628, 74599, 85256, 138541, 149198, 170512, 277082, 298396, 341024, 522193, 554164, 596792, 969787, 1044386, 1108328, 1193584, 1939574, 2088772, 2216656, 2387168, 3879148, 4177544, 4433312, 6788509, 7758296, 8355088, 13577018, 15516592, 16710176, 27154036, 31033184, 54308072, 108616144, 217232288]

約数ペア:

[(1, 217232288), (2, 108616144), (4, 54308072), (7, 31033184), (8, 27154036), (13, 16710176), (14, 15516592), (16, 13577018), (26, 8355088), (28, 7758296), (32, 6788509), (49, 4433312), (52, 4177544), (56, 3879148), (91, 2387168), (98, 2216656), (104, 2088772), (112, 1939574), (182, 1193584), (196, 1108328), (208, 1044386), (224, 969787), (364, 596792), (392, 554164), (416, 522193), (637, 341024), (728, 298396), (784, 277082), (1274, 170512), (1456, 149198), (1568, 138541), (2548, 85256), (2912, 74599), (5096, 42628), (10192, 21314), (10657, 20384)]