31999772

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12841}}^1$

素因数の和:12941

約数の個数: 24

約数和(自身を含む): 64723680

約数和(自身を除く): 32723908

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 12841, 25682, 51364, 89887, 179774, 359548, 1142849, 2285698, 4571396, 7999943, 15999886, 31999772]

約数ペア:

[(1, 31999772), (2, 15999886), (4, 7999943), (7, 4571396), (14, 2285698), (28, 1142849), (89, 359548), (178, 179774), (356, 89887), (623, 51364), (1246, 25682), (2492, 12841)]