15865203205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{21799}}^1$

素因数の和:22033

約数の個数: 32

約数和(自身を含む): 20593152000

約数和(自身を除く): 4727948795

約数列:

[1, 5, 19, 47, 95, 163, 235, 815, 893, 3097, 4465, 7661, 15485, 21799, 38305, 108995, 145559, 414181, 727795, 1024553, 2070905, 3553237, 5122765, 17766185, 19466507, 67511503, 97332535, 167002139, 337557515, 835010695, 3173040641, 15865203205]

約数ペア:

[(1, 15865203205), (5, 3173040641), (19, 835010695), (47, 337557515), (95, 167002139), (163, 97332535), (235, 67511503), (815, 19466507), (893, 17766185), (3097, 5122765), (4465, 3553237), (7661, 2070905), (15485, 1024553), (21799, 727795), (38305, 414181), (108995, 145559)]