198740521

素因数分解:

$7^2\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 235569600

約数和(自身を除く): 36829079

約数列:

[1, 7, 49, 149, 163, 167, 1043, 1141, 1169, 7301, 7987, 8183, 24287, 24883, 27221, 170009, 174181, 190547, 1190063, 1219267, 1333829, 4055929, 28391503, 198740521]

約数ペア:

[(1, 198740521), (7, 28391503), (49, 4055929), (149, 1333829), (163, 1219267), (167, 1190063), (1043, 190547), (1141, 174181), (1169, 170009), (7301, 27221), (7987, 24883), (8183, 24287)]