197936

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 20

約数和(自身を含む): 390600

約数和(自身を除く): 192664

約数列:

[1, 2, 4, 8, 16, 89, 139, 178, 278, 356, 556, 712, 1112, 1424, 2224, 12371, 24742, 49484, 98968, 197936]

約数ペア:

[(1, 197936), (2, 98968), (4, 49484), (8, 24742), (16, 12371), (89, 2224), (139, 1424), (178, 1112), (278, 712), (356, 556)]