16431856

素因数分解:

$2^4\times 7^2\times {\mathrm{20959}}^1$

素因数の和:20981

約数の個数: 30

約数和(自身を含む): 37036320

約数和(自身を除く): 20604464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 20959, 41918, 83836, 146713, 167672, 293426, 335344, 586852, 1026991, 1173704, 2053982, 2347408, 4107964, 8215928, 16431856]

約数ペア:

[(1, 16431856), (2, 8215928), (4, 4107964), (7, 2347408), (8, 2053982), (14, 1173704), (16, 1026991), (28, 586852), (49, 335344), (56, 293426), (98, 167672), (112, 146713), (196, 83836), (392, 41918), (784, 20959)]