256809056

素因数分解:

$2^5\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1783}}^1$

素因数の和:2443

約数の個数: 48

約数和(自身を含む): 579043584

約数和(自身を除く): 322234528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 643, 1286, 1783, 2572, 3566, 4501, 5144, 7132, 9002, 10288, 12481, 14264, 18004, 20576, 24962, 28528, 36008, 49924, 57056, 72016, 99848, 144032, 199696, 399392, 1146469, 2292938, 4585876, 8025283, 9171752, 16050566, 18343504, 32101132, 36687008, 64202264, 128404528, 256809056]

約数ペア:

[(1, 256809056), (2, 128404528), (4, 64202264), (7, 36687008), (8, 32101132), (14, 18343504), (16, 16050566), (28, 9171752), (32, 8025283), (56, 4585876), (112, 2292938), (224, 1146469), (643, 399392), (1286, 199696), (1783, 144032), (2572, 99848), (3566, 72016), (4501, 57056), (5144, 49924), (7132, 36008), (9002, 28528), (10288, 24962), (12481, 20576), (14264, 18004)]