199906745

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 255564288

約数和(自身を除く): 55657543

約数列:

[1, 5, 37, 47, 83, 185, 235, 277, 415, 1385, 1739, 3071, 3901, 8695, 10249, 13019, 15355, 19505, 22991, 51245, 65095, 114955, 144337, 481703, 721685, 850667, 1080577, 2408515, 4253335, 5402885, 39981349, 199906745]

約数ペア:

[(1, 199906745), (5, 39981349), (37, 5402885), (47, 4253335), (83, 2408515), (185, 1080577), (235, 850667), (277, 721685), (415, 481703), (1385, 144337), (1739, 114955), (3071, 65095), (3901, 51245), (8695, 22991), (10249, 19505), (13019, 15355)]