217406392

素因数分解:

$2^3\times 7^1\times {\mathrm{811}}^1\times {\mathrm{4787}}^1$

素因数の和:5611

約数の個数: 32

約数和(自身を含む): 466542720

約数和(自身を除く): 249136328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 811, 1622, 3244, 4787, 5677, 6488, 9574, 11354, 19148, 22708, 33509, 38296, 45416, 67018, 134036, 268072, 3882257, 7764514, 15529028, 27175799, 31058056, 54351598, 108703196, 217406392]

約数ペア:

[(1, 217406392), (2, 108703196), (4, 54351598), (7, 31058056), (8, 27175799), (14, 15529028), (28, 7764514), (56, 3882257), (811, 268072), (1622, 134036), (3244, 67018), (4787, 45416), (5677, 38296), (6488, 33509), (9574, 22708), (11354, 19148)]