42780164

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17167}}^1$

素因数の和:17267

約数の個数: 24

約数和(自身を含む): 86526720

約数和(自身を除く): 43746556

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 17167, 34334, 68668, 120169, 240338, 480676, 1527863, 3055726, 6111452, 10695041, 21390082, 42780164]

約数ペア:

[(1, 42780164), (2, 21390082), (4, 10695041), (7, 6111452), (14, 3055726), (28, 1527863), (89, 480676), (178, 240338), (356, 120169), (623, 68668), (1246, 34334), (2492, 17167)]