247389632

素因数分解:

$2^6\times 7^2\times {\mathrm{78887}}^1$

素因数の和:78913

約数の個数: 42

約数和(自身を含む): 571070232

約数和(自身を除く): 323680600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 78887, 157774, 315548, 552209, 631096, 1104418, 1262192, 2208836, 2524384, 3865463, 4417672, 5048768, 7730926, 8835344, 15461852, 17670688, 30923704, 35341376, 61847408, 123694816, 247389632]

約数ペア:

[(1, 247389632), (2, 123694816), (4, 61847408), (7, 35341376), (8, 30923704), (14, 17670688), (16, 15461852), (28, 8835344), (32, 7730926), (49, 5048768), (56, 4417672), (64, 3865463), (98, 2524384), (112, 2208836), (196, 1262192), (224, 1104418), (392, 631096), (448, 552209), (784, 315548), (1568, 157774), (3136, 78887)]