256198624

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 72

約数和(自身を含む): 559851264

約数和(自身を除く): 303652640

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 127, 176, 242, 254, 352, 484, 508, 521, 968, 1016, 1042, 1397, 1936, 2032, 2084, 2794, 3872, 4064, 4168, 5588, 5731, 8336, 11176, 11462, 15367, 16672, 22352, 22924, 30734, 44704, 45848, 61468, 63041, 66167, 91696, 122936, 126082, 132334, 183392, 245872, 252164, 264668, 491744, 504328, 529336, 727837, 1008656, 1058672, 1455674, 2017312, 2117344, 2911348, 5822696, 8006207, 11645392, 16012414, 23290784, 32024828, 64049656, 128099312, 256198624]

約数ペア:

[(1, 256198624), (2, 128099312), (4, 64049656), (8, 32024828), (11, 23290784), (16, 16012414), (22, 11645392), (32, 8006207), (44, 5822696), (88, 2911348), (121, 2117344), (127, 2017312), (176, 1455674), (242, 1058672), (254, 1008656), (352, 727837), (484, 529336), (508, 504328), (521, 491744), (968, 264668), (1016, 252164), (1042, 245872), (1397, 183392), (1936, 132334), (2032, 126082), (2084, 122936), (2794, 91696), (3872, 66167), (4064, 63041), (4168, 61468), (5588, 45848), (5731, 44704), (8336, 30734), (11176, 22924), (11462, 22352), (15367, 16672)]