256680612

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{65413}}^1$

素因数の和:65532

約数の個数: 36

約数和(自身を含む): 654794140

約数和(自身を除く): 398113528

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 65413, 130826, 196239, 261652, 392478, 588717, 784956, 1177434, 2354868, 7130017, 14260034, 21390051, 28520068, 42780102, 64170153, 85560204, 128340306, 256680612]

約数ペア:

[(1, 256680612), (2, 128340306), (3, 85560204), (4, 64170153), (6, 42780102), (9, 28520068), (12, 21390051), (18, 14260034), (36, 7130017), (109, 2354868), (218, 1177434), (327, 784956), (436, 588717), (654, 392478), (981, 261652), (1308, 196239), (1962, 130826), (3924, 65413)]