321985256

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{509}}^1\times {\mathrm{739}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 611388000

約数和(自身を除く): 289402744

約数列:

[1, 2, 4, 8, 107, 214, 428, 509, 739, 856, 1018, 1478, 2036, 2956, 4072, 5912, 54463, 79073, 108926, 158146, 217852, 316292, 376151, 435704, 632584, 752302, 1504604, 3009208, 40248157, 80496314, 160992628, 321985256]

約数ペア:

[(1, 321985256), (2, 160992628), (4, 80496314), (8, 40248157), (107, 3009208), (214, 1504604), (428, 752302), (509, 632584), (739, 435704), (856, 376151), (1018, 316292), (1478, 217852), (2036, 158146), (2956, 108926), (4072, 79073), (5912, 54463)]