261640252

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1\times {\mathrm{1201}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 463443120

約数和(自身を除く): 201802868

約数列:

[1, 2, 4, 107, 214, 428, 509, 1018, 1201, 2036, 2402, 4804, 54463, 108926, 128507, 217852, 257014, 514028, 611309, 1222618, 2445236, 65410063, 130820126, 261640252]

約数ペア:

[(1, 261640252), (2, 130820126), (4, 65410063), (107, 2445236), (214, 1222618), (428, 611309), (509, 514028), (1018, 257014), (1201, 217852), (2036, 128507), (2402, 108926), (4804, 54463)]